From eb6b036dde364c528807f53ee8c8e5c9b0e46c34 Mon Sep 17 00:00:00 2001 From: Linus Walleij Date: Fri, 13 Sep 2013 21:45:51 +0200 Subject: clk: nomadik: set all timers to use 2.4 MHz TIMCLK This fixes a regression for the Nomadik on the main system timers. The Nomadik seemed a bit slow and its heartbeat wasn't looking healthy. And it was not strange, because it has been connected to the 32768 Hz clock at boot, while being told by the clock driver that it was 2.4MHz. Actually connect the TIMCLK to 2.4MHz by default as this is what we want for nice scheduling, clocksource and clock event. Cc: stable@vger.kernel.org Signed-off-by: Linus Walleij --- drivers/clk/clk-nomadik.c | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) (limited to 'drivers') diff --git a/drivers/clk/clk-nomadik.c b/drivers/clk/clk-nomadik.c index 51410c2ac2cb..4d978a3c88f7 100644 --- a/drivers/clk/clk-nomadik.c +++ b/drivers/clk/clk-nomadik.c @@ -27,6 +27,14 @@ */ #define SRC_CR 0x00U +#define SRC_CR_T0_ENSEL BIT(15) +#define SRC_CR_T1_ENSEL BIT(17) +#define SRC_CR_T2_ENSEL BIT(19) +#define SRC_CR_T3_ENSEL BIT(21) +#define SRC_CR_T4_ENSEL BIT(23) +#define SRC_CR_T5_ENSEL BIT(25) +#define SRC_CR_T6_ENSEL BIT(27) +#define SRC_CR_T7_ENSEL BIT(29) #define SRC_XTALCR 0x0CU #define SRC_XTALCR_XTALTIMEN BIT(20) #define SRC_XTALCR_SXTALDIS BIT(19) @@ -543,6 +551,19 @@ void __init nomadik_clk_init(void) __func__, np->name); return; } + + /* Set all timers to use the 2.4 MHz TIMCLK */ + val = readl(src_base + SRC_CR); + val |= SRC_CR_T0_ENSEL; + val |= SRC_CR_T1_ENSEL; + val |= SRC_CR_T2_ENSEL; + val |= SRC_CR_T3_ENSEL; + val |= SRC_CR_T4_ENSEL; + val |= SRC_CR_T5_ENSEL; + val |= SRC_CR_T6_ENSEL; + val |= SRC_CR_T7_ENSEL; + writel(val, src_base + SRC_CR); + val = readl(src_base + SRC_XTALCR); pr_info("SXTALO is %s\n", (val & SRC_XTALCR_SXTALDIS) ? "disabled" : "enabled"); -- cgit v1.2.3 From 3c5710f6a229504d1e6b15cb4170b64ab420b43a Mon Sep 17 00:00:00 2001 From: Linus Walleij Date: Tue, 3 Sep 2013 11:43:10 +0200 Subject: block: drop dependency on ARCH_SHARK With this machine deleted, there is no need to maintain the MFM block driver for its hard disk either. Cc: Jens Axboe Signed-off-by: Linus Walleij --- drivers/block/Kconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/block/Kconfig b/drivers/block/Kconfig index e07a5fd58ad7..e67fa16e1938 100644 --- a/drivers/block/Kconfig +++ b/drivers/block/Kconfig @@ -505,7 +505,7 @@ config VIRTIO_BLK config BLK_DEV_HD bool "Very old hard disk (MFM/RLL/IDE) driver" depends on HAVE_IDE - depends on !ARM || ARCH_RPC || ARCH_SHARK || BROKEN + depends on !ARM || ARCH_RPC || BROKEN help This is a very old hard disk driver that lacks the enhanced functionality of the newer ones. -- cgit v1.2.3 From f4b24978aa8648e1f1b6bc6bcaf5aa0e211549f7 Mon Sep 17 00:00:00 2001 From: Linus Walleij Date: Tue, 3 Sep 2013 11:45:43 +0200 Subject: ide: drop dependency on ARCH_SHARK This drops the selection of default IDE chipset for the Shark machine as it has been deleted. Acked-by: David S. Miller Signed-off-by: Linus Walleij --- drivers/ide/Kconfig | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'drivers') diff --git a/drivers/ide/Kconfig b/drivers/ide/Kconfig index 02906ca99b41..3f7f59cc8b5f 100644 --- a/drivers/ide/Kconfig +++ b/drivers/ide/Kconfig @@ -197,8 +197,8 @@ comment "IDE chipset support/bugfixes" config IDE_GENERIC tristate "generic/default IDE chipset support" - depends on ALPHA || X86 || IA64 || M32R || MIPS || ARCH_RPC || ARCH_SHARK - default ARM && (ARCH_RPC || ARCH_SHARK) + depends on ALPHA || X86 || IA64 || M32R || MIPS || ARCH_RPC + default ARM && ARCH_RPC help This is the generic IDE driver. This driver attaches to the fixed legacy ports (e.g. on PCs 0x1f0/0x170, 0x1e8/0x168 and -- cgit v1.2.3 From f735bba4cc1435d0e9107f77f26f96a3483db0b1 Mon Sep 17 00:00:00 2001 From: Linus Walleij Date: Tue, 3 Sep 2013 11:50:31 +0200 Subject: input: i8042: drop dependency on ARCH_SHARK Delete the configuration option for the Shark machine from the i8042 Kconfig, as the machine is deleted from the kernel. Acked-by: Dmitry Torokhov Signed-off-by: Linus Walleij --- drivers/input/serio/Kconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/input/serio/Kconfig b/drivers/input/serio/Kconfig index 33b3e88fe4a2..1de1e5f8f795 100644 --- a/drivers/input/serio/Kconfig +++ b/drivers/input/serio/Kconfig @@ -21,7 +21,7 @@ if SERIO config SERIO_I8042 tristate "i8042 PC Keyboard controller" if EXPERT || !X86 default y - depends on !PARISC && (!ARM || ARCH_SHARK || FOOTBRIDGE_HOST) && \ + depends on !PARISC && (!ARM || FOOTBRIDGE_HOST) && \ (!SUPERH || SH_CAYMAN) && !M68K && !BLACKFIN && !S390 && \ !ARC help -- cgit v1.2.3 From fc6ad619a5d29c94e3eecefa572dc1d4fefdc240 Mon Sep 17 00:00:00 2001 From: Linus Walleij Date: Tue, 3 Sep 2013 12:02:16 +0200 Subject: video: drop code for ARCH_SHARK in cyber2000fb The Cyber2000 frame buffer driver contains a block of code solely for the Shark machine. As the machine is deleted, delete this code as well. Also remove the pointless #ifdef CONFIG_PCI as the Kconfig clearly states PCI as a dependency anyway. Cc: Russell King Cc: Jean-Christophe Plagniol-Villard Acked-by: Tomi Valkeinen Signed-off-by: Linus Walleij --- drivers/video/cyber2000fb.c | 70 --------------------------------------------- 1 file changed, 70 deletions(-) (limited to 'drivers') diff --git a/drivers/video/cyber2000fb.c b/drivers/video/cyber2000fb.c index 57886787ead0..1c446bc48b42 100644 --- a/drivers/video/cyber2000fb.c +++ b/drivers/video/cyber2000fb.c @@ -1641,67 +1641,6 @@ static void cyberpro_common_resume(struct cfb_info *cfb) cyber2000fb_set_par(&cfb->fb); } -#ifdef CONFIG_ARCH_SHARK - -#include - -static int cyberpro_vl_probe(void) -{ - struct cfb_info *cfb; - int err = -ENOMEM; - - if (!request_mem_region(FB_START, FB_SIZE, "CyberPro2010")) - return err; - - cfb = cyberpro_alloc_fb_info(ID_CYBERPRO_2010, "CyberPro2010"); - if (!cfb) - goto failed_release; - - cfb->irq = -1; - cfb->region = ioremap(FB_START, FB_SIZE); - if (!cfb->region) - goto failed_ioremap; - - cfb->regs = cfb->region + MMIO_OFFSET; - cfb->fb.device = NULL; - cfb->fb.fix.mmio_start = FB_START + MMIO_OFFSET; - cfb->fb.fix.smem_start = FB_START; - - /* - * Bring up the hardware. This is expected to enable access - * to the linear memory region, and allow access to the memory - * mapped registers. Also, mem_ctl1 and mem_ctl2 must be - * initialised. - */ - cyber2000fb_writeb(0x18, 0x46e8, cfb); - cyber2000fb_writeb(0x01, 0x102, cfb); - cyber2000fb_writeb(0x08, 0x46e8, cfb); - cyber2000fb_writeb(EXT_BIU_MISC, 0x3ce, cfb); - cyber2000fb_writeb(EXT_BIU_MISC_LIN_ENABLE, 0x3cf, cfb); - - cfb->mclk_mult = 0xdb; - cfb->mclk_div = 0x54; - - err = cyberpro_common_probe(cfb); - if (err) - goto failed; - - if (int_cfb_info == NULL) - int_cfb_info = cfb; - - return 0; - -failed: - iounmap(cfb->region); -failed_ioremap: - cyberpro_free_fb_info(cfb); -failed_release: - release_mem_region(FB_START, FB_SIZE); - - return err; -} -#endif /* CONFIG_ARCH_SHARK */ - /* * PCI specific support. */ @@ -1948,28 +1887,19 @@ static int __init cyber2000fb_init(void) cyber2000fb_setup(option); #endif -#ifdef CONFIG_ARCH_SHARK - err = cyberpro_vl_probe(); - if (!err) - ret = 0; -#endif -#ifdef CONFIG_PCI err = pci_register_driver(&cyberpro_driver); if (!err) ret = 0; -#endif return ret ? err : 0; } module_init(cyber2000fb_init); -#ifndef CONFIG_ARCH_SHARK static void __exit cyberpro_exit(void) { pci_unregister_driver(&cyberpro_driver); } module_exit(cyberpro_exit); -#endif MODULE_AUTHOR("Russell King"); MODULE_DESCRIPTION("CyberPro 2000, 2010 and 5000 framebuffer driver"); -- cgit v1.2.3 From ea25a900f593cd34347ec884b3acac09ffe07667 Mon Sep 17 00:00:00 2001 From: Sebastian Hesselbarth Date: Sun, 22 Sep 2013 18:17:28 +0200 Subject: clk: nomadik: move src init out of nomadik_clk_init nomadik_clk_init currently also maps system reset controller base address used by clocks and registers a reboot notifier. To allow further cleanup of nomadik clk setup, this moves system reset controller setup from nomadik_clk_init to its own function. Signed-off-by: Sebastian Hesselbarth Acked-by: Linus Walleij Acked-by: Mike Turquette --- drivers/clk/clk-nomadik.c | 144 ++++++++++++++++++++++++---------------------- 1 file changed, 74 insertions(+), 70 deletions(-) (limited to 'drivers') diff --git a/drivers/clk/clk-nomadik.c b/drivers/clk/clk-nomadik.c index 4d978a3c88f7..06b29c264dbe 100644 --- a/drivers/clk/clk-nomadik.c +++ b/drivers/clk/clk-nomadik.c @@ -62,6 +62,79 @@ static DEFINE_SPINLOCK(src_lock); /* Base address of the SRC */ static void __iomem *src_base; +static int nomadik_clk_reboot_handler(struct notifier_block *this, + unsigned long code, + void *unused) +{ + u32 val; + + /* The main chrystal need to be enabled for reboot to work */ + val = readl(src_base + SRC_XTALCR); + val &= ~SRC_XTALCR_MXTALOVER; + val |= SRC_XTALCR_MXTALEN; + pr_crit("force-enabling MXTALO\n"); + writel(val, src_base + SRC_XTALCR); + return NOTIFY_OK; +} + +static struct notifier_block nomadik_clk_reboot_notifier = { + .notifier_call = nomadik_clk_reboot_handler, +}; + +static const struct of_device_id nomadik_src_match[] __initconst = { + { .compatible = "stericsson,nomadik-src" }, + { /* sentinel */ } +}; + +static void nomadik_src_init(void) +{ + struct device_node *np; + u32 val; + + np = of_find_matching_node(NULL, nomadik_src_match); + if (!np) { + pr_crit("no matching node for SRC, aborting clock init\n"); + return; + } + src_base = of_iomap(np, 0); + if (!src_base) { + pr_err("%s: must have src parent node with REGS (%s)\n", + __func__, np->name); + return; + } + + /* Set all timers to use the 2.4 MHz TIMCLK */ + val = readl(src_base + SRC_CR); + val |= SRC_CR_T0_ENSEL; + val |= SRC_CR_T1_ENSEL; + val |= SRC_CR_T2_ENSEL; + val |= SRC_CR_T3_ENSEL; + val |= SRC_CR_T4_ENSEL; + val |= SRC_CR_T5_ENSEL; + val |= SRC_CR_T6_ENSEL; + val |= SRC_CR_T7_ENSEL; + writel(val, src_base + SRC_CR); + + val = readl(src_base + SRC_XTALCR); + pr_info("SXTALO is %s\n", + (val & SRC_XTALCR_SXTALDIS) ? "disabled" : "enabled"); + pr_info("MXTAL is %s\n", + (val & SRC_XTALCR_MXTALSTAT) ? "enabled" : "disabled"); + if (of_property_read_bool(np, "disable-sxtalo")) { + /* The machine uses an external oscillator circuit */ + val |= SRC_XTALCR_SXTALDIS; + pr_info("disabling SXTALO\n"); + } + if (of_property_read_bool(np, "disable-mxtalo")) { + /* Disable this too: also run by external oscillator */ + val |= SRC_XTALCR_MXTALOVER; + val &= ~SRC_XTALCR_MXTALEN; + pr_info("disabling MXTALO\n"); + } + writel(val, src_base + SRC_XTALCR); + register_reboot_notifier(&nomadik_clk_reboot_notifier); +} + /** * struct clk_pll1 - Nomadik PLL1 clock * @hw: corresponding clock hardware entry @@ -487,11 +560,6 @@ static void __init of_nomadik_src_clk_setup(struct device_node *np) of_clk_add_provider(np, of_clk_src_simple_get, clk); } -static const struct of_device_id nomadik_src_match[] __initconst = { - { .compatible = "stericsson,nomadik-src" }, - { /* sentinel */ } -}; - static const struct of_device_id nomadik_src_clk_match[] __initconst = { { .compatible = "fixed-clock", @@ -516,72 +584,8 @@ static const struct of_device_id nomadik_src_clk_match[] __initconst = { { /* sentinel */ } }; -static int nomadik_clk_reboot_handler(struct notifier_block *this, - unsigned long code, - void *unused) -{ - u32 val; - - /* The main chrystal need to be enabled for reboot to work */ - val = readl(src_base + SRC_XTALCR); - val &= ~SRC_XTALCR_MXTALOVER; - val |= SRC_XTALCR_MXTALEN; - pr_crit("force-enabling MXTALO\n"); - writel(val, src_base + SRC_XTALCR); - return NOTIFY_OK; -} - -static struct notifier_block nomadik_clk_reboot_notifier = { - .notifier_call = nomadik_clk_reboot_handler, -}; - void __init nomadik_clk_init(void) { - struct device_node *np; - u32 val; - - np = of_find_matching_node(NULL, nomadik_src_match); - if (!np) { - pr_crit("no matching node for SRC, aborting clock init\n"); - return; - } - src_base = of_iomap(np, 0); - if (!src_base) { - pr_err("%s: must have src parent node with REGS (%s)\n", - __func__, np->name); - return; - } - - /* Set all timers to use the 2.4 MHz TIMCLK */ - val = readl(src_base + SRC_CR); - val |= SRC_CR_T0_ENSEL; - val |= SRC_CR_T1_ENSEL; - val |= SRC_CR_T2_ENSEL; - val |= SRC_CR_T3_ENSEL; - val |= SRC_CR_T4_ENSEL; - val |= SRC_CR_T5_ENSEL; - val |= SRC_CR_T6_ENSEL; - val |= SRC_CR_T7_ENSEL; - writel(val, src_base + SRC_CR); - - val = readl(src_base + SRC_XTALCR); - pr_info("SXTALO is %s\n", - (val & SRC_XTALCR_SXTALDIS) ? "disabled" : "enabled"); - pr_info("MXTAL is %s\n", - (val & SRC_XTALCR_MXTALSTAT) ? "enabled" : "disabled"); - if (of_property_read_bool(np, "disable-sxtalo")) { - /* The machine uses an external oscillator circuit */ - val |= SRC_XTALCR_SXTALDIS; - pr_info("disabling SXTALO\n"); - } - if (of_property_read_bool(np, "disable-mxtalo")) { - /* Disable this too: also run by external oscillator */ - val |= SRC_XTALCR_MXTALOVER; - val &= ~SRC_XTALCR_MXTALEN; - pr_info("disabling MXTALO\n"); - } - writel(val, src_base + SRC_XTALCR); - register_reboot_notifier(&nomadik_clk_reboot_notifier); - + nomadik_src_init(); of_clk_init(nomadik_src_clk_match); } -- cgit v1.2.3 From 74227e65f9742f559f6e243ba2c9a983e1f1221d Mon Sep 17 00:00:00 2001 From: Sebastian Hesselbarth Date: Tue, 17 Sep 2013 00:32:34 +0200 Subject: clk: nomadik: declare OF clock provider Common clock framework allows to register clock providers to get called on of_clk_init() by using CLK_OF_DECLARE. This converts nomadik clock provider to make use of it and get rid of the mach specific clk init call. As clocks require system reset controller base address to be initialized each clock driver checks src_base and calls new nomadik_src_init if required. Signed-off-by: Sebastian Hesselbarth Acked-by: Linus Walleij Acked-by: Mike Turquette --- drivers/clk/clk-nomadik.c | 45 +++++++++++++++------------------------------ 1 file changed, 15 insertions(+), 30 deletions(-) (limited to 'drivers') diff --git a/drivers/clk/clk-nomadik.c b/drivers/clk/clk-nomadik.c index 06b29c264dbe..ce2d6b32e3f5 100644 --- a/drivers/clk/clk-nomadik.c +++ b/drivers/clk/clk-nomadik.c @@ -512,6 +512,9 @@ static void __init of_nomadik_pll_setup(struct device_node *np) const char *parent_name; u32 pll_id; + if (!src_base) + nomadik_src_init(); + if (of_property_read_u32(np, "pll-id", &pll_id)) { pr_err("%s: PLL \"%s\" missing pll-id property\n", __func__, clk_name); @@ -522,6 +525,8 @@ static void __init of_nomadik_pll_setup(struct device_node *np) if (!IS_ERR(clk)) of_clk_add_provider(np, of_clk_src_simple_get, clk); } +CLK_OF_DECLARE(nomadik_pll_clk, + "st,nomadik-pll-clock", of_nomadik_pll_setup); static void __init of_nomadik_hclk_setup(struct device_node *np) { @@ -529,6 +534,9 @@ static void __init of_nomadik_hclk_setup(struct device_node *np) const char *clk_name = np->name; const char *parent_name; + if (!src_base) + nomadik_src_init(); + parent_name = of_clk_get_parent_name(np, 0); /* * The HCLK divides PLL1 with 1 (passthru), 2, 3 or 4. @@ -541,6 +549,8 @@ static void __init of_nomadik_hclk_setup(struct device_node *np) if (!IS_ERR(clk)) of_clk_add_provider(np, of_clk_src_simple_get, clk); } +CLK_OF_DECLARE(nomadik_hclk_clk, + "st,nomadik-hclk-clock", of_nomadik_hclk_setup); static void __init of_nomadik_src_clk_setup(struct device_node *np) { @@ -549,6 +559,9 @@ static void __init of_nomadik_src_clk_setup(struct device_node *np) const char *parent_name; u32 clk_id; + if (!src_base) + nomadik_src_init(); + if (of_property_read_u32(np, "clock-id", &clk_id)) { pr_err("%s: SRC clock \"%s\" missing clock-id property\n", __func__, clk_name); @@ -559,33 +572,5 @@ static void __init of_nomadik_src_clk_setup(struct device_node *np) if (!IS_ERR(clk)) of_clk_add_provider(np, of_clk_src_simple_get, clk); } - -static const struct of_device_id nomadik_src_clk_match[] __initconst = { - { - .compatible = "fixed-clock", - .data = of_fixed_clk_setup, - }, - { - .compatible = "fixed-factor-clock", - .data = of_fixed_factor_clk_setup, - }, - { - .compatible = "st,nomadik-pll-clock", - .data = of_nomadik_pll_setup, - }, - { - .compatible = "st,nomadik-hclk-clock", - .data = of_nomadik_hclk_setup, - }, - { - .compatible = "st,nomadik-src-clock", - .data = of_nomadik_src_clk_setup, - }, - { /* sentinel */ } -}; - -void __init nomadik_clk_init(void) -{ - nomadik_src_init(); - of_clk_init(nomadik_src_clk_match); -} +CLK_OF_DECLARE(nomadik_src_clk, + "st,nomadik-src-clock", of_nomadik_src_clk_setup); -- cgit v1.2.3 From 27966ffe43d412483f0823b15b8c035db04969c7 Mon Sep 17 00:00:00 2001 From: Sebastian Hesselbarth Date: Wed, 4 Sep 2013 14:21:18 +0200 Subject: clk: prima2: declare OF clock provider Common clock framework allows to register clock providers to get called on of_clk_init() by using CLK_OF_DECLARE. This converts prima2 clock provider to make use of it and get rid of the mach specific clk init call. Signed-off-by: Sebastian Hesselbarth Acked-by: Barry Song Acked-by: Mike Turquette --- drivers/clk/clk-prima2.c | 29 ++++++----------------------- 1 file changed, 6 insertions(+), 23 deletions(-) (limited to 'drivers') diff --git a/drivers/clk/clk-prima2.c b/drivers/clk/clk-prima2.c index 5ab95f1ad579..6c15e3316137 100644 --- a/drivers/clk/clk-prima2.c +++ b/drivers/clk/clk-prima2.c @@ -1015,16 +1015,6 @@ static struct clk_std clk_usb1 = { }, }; -static struct of_device_id clkc_ids[] = { - { .compatible = "sirf,prima2-clkc" }, - {}, -}; - -static struct of_device_id rsc_ids[] = { - { .compatible = "sirf,prima2-rsc" }, - {}, -}; - enum prima2_clk_index { /* 0 1 2 3 4 5 6 7 8 9 */ rtc, osc, pll1, pll2, pll3, mem, sys, security, dsp, gps, @@ -1082,24 +1072,16 @@ static struct clk_hw *prima2_clk_hw_array[maxclk] __initdata = { static struct clk *prima2_clks[maxclk]; static struct clk_onecell_data clk_data; -void __init sirfsoc_of_clk_init(void) +static void __init sirfsoc_clk_init(struct device_node *np) { - struct device_node *np; + struct device_node *rscnp; int i; - np = of_find_matching_node(NULL, rsc_ids); - if (!np) - panic("unable to find compatible rsc node in dtb\n"); - - sirfsoc_rsc_vbase = of_iomap(np, 0); + rscnp = of_find_compatible_node(NULL, NULL, "sirf,prima2-rsc"); + sirfsoc_rsc_vbase = of_iomap(rscnp, 0); if (!sirfsoc_rsc_vbase) panic("unable to map rsc registers\n"); - - of_node_put(np); - - np = of_find_matching_node(NULL, clkc_ids); - if (!np) - return; + of_node_put(rscnp); sirfsoc_clk_vbase = of_iomap(np, 0); if (!sirfsoc_clk_vbase) @@ -1124,3 +1106,4 @@ void __init sirfsoc_of_clk_init(void) of_clk_add_provider(np, of_clk_src_onecell_get, &clk_data); } +CLK_OF_DECLARE(sirfsoc_clk, "sirf,prima2-clkc", sirfsoc_clk_init); -- cgit v1.2.3 From be0804513a506de96925f9ed1aa8dc1facd4c180 Mon Sep 17 00:00:00 2001 From: Sebastian Hesselbarth Date: Fri, 6 Sep 2013 14:59:57 +0200 Subject: clk: sunxi: declare OF clock provider Common clock framework allows to register clock providers to get called on of_clk_init() by using CLK_OF_DECLARE. This converts sunxi clock providers to make use of it and get rid of the mach specific clk init call. As sunxi has a bunch of independent clk provider nodes, we hook current clock init to board compatible to make it called once. Signed-off-by: Sebastian Hesselbarth Acked-by: Maxime Ripard Acked-by: Mike Turquette --- drivers/clk/sunxi/clk-sunxi.c | 11 ++++++----- 1 file changed, 6 insertions(+), 5 deletions(-) (limited to 'drivers') diff --git a/drivers/clk/sunxi/clk-sunxi.c b/drivers/clk/sunxi/clk-sunxi.c index 34ee69f4d50c..9bbd03514540 100644 --- a/drivers/clk/sunxi/clk-sunxi.c +++ b/drivers/clk/sunxi/clk-sunxi.c @@ -16,7 +16,6 @@ #include #include -#include #include #include @@ -617,11 +616,8 @@ static void __init of_sunxi_table_clock_setup(const struct of_device_id *clk_mat } } -void __init sunxi_init_clocks(void) +static void __init sunxi_init_clocks(struct device_node *np) { - /* Register all the simple and basic clocks on DT */ - of_clk_init(NULL); - /* Register factor clocks */ of_sunxi_table_clock_setup(clk_factors_match, sunxi_factors_clk_setup); @@ -634,3 +630,8 @@ void __init sunxi_init_clocks(void) /* Register gate clocks */ of_sunxi_table_clock_setup(clk_gates_match, sunxi_gates_clk_setup); } +CLK_OF_DECLARE(sun4i_a10_clk_init, "allwinner,sun4i-a10", sunxi_init_clocks); +CLK_OF_DECLARE(sun5i_a10s_clk_init, "allwinner,sun5i-a10s", sunxi_init_clocks); +CLK_OF_DECLARE(sun5i_a13_clk_init, "allwinner,sun5i-a13", sunxi_init_clocks); +CLK_OF_DECLARE(sun6i_a31_clk_init, "allwinner,sun6i-a31", sunxi_init_clocks); +CLK_OF_DECLARE(sun7i_a20_clk_init, "allwinner,sun7i-a20", sunxi_init_clocks); -- cgit v1.2.3 From f9e4a18de7398bc615f9d45250bdaf31eafc5af6 Mon Sep 17 00:00:00 2001 From: Sebastian Hesselbarth Date: Wed, 4 Sep 2013 13:58:11 +0200 Subject: clk: vt8500: parse pmc_base from clock driver Currently, clock providers for vt8500 depend on machine_init providing pmc_base address before calling of_clk_init. With upcoming arch-wide .time_init calling of_clk_init, we should make clock providers independent of mach code. This adds a pmc_base parsing helper to current clock provider that gets called if there is no pmc_base set, yet. Signed-off-by: Sebastian Hesselbarth Acked-by: Tony Prisk Acked-by: Mike Turquette --- drivers/clk/clk-vt8500.c | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+) (limited to 'drivers') diff --git a/drivers/clk/clk-vt8500.c b/drivers/clk/clk-vt8500.c index 82306f5fb9c2..39fe72aab1e5 100644 --- a/drivers/clk/clk-vt8500.c +++ b/drivers/clk/clk-vt8500.c @@ -15,11 +15,14 @@ #include #include +#include #include #include #include #include +#define LEGACY_PMC_BASE 0xD8130000 + /* All clocks share the same lock as none can be changed concurrently */ static DEFINE_SPINLOCK(_lock); @@ -53,6 +56,21 @@ struct clk_pll { static void __iomem *pmc_base; +static __init void vtwm_set_pmc_base(void) +{ + struct device_node *np = + of_find_compatible_node(NULL, NULL, "via,vt8500-pmc"); + + if (np) + pmc_base = of_iomap(np, 0); + else + pmc_base = ioremap(LEGACY_PMC_BASE, 0x1000); + of_node_put(np); + + if (!pmc_base) + pr_err("%s:of_iomap(pmc) failed\n", __func__); +} + #define to_clk_device(_hw) container_of(_hw, struct clk_device, hw) #define VT8500_PMC_BUSY_MASK 0x18 @@ -222,6 +240,9 @@ static __init void vtwm_device_clk_init(struct device_node *node) int rc; int clk_init_flags = 0; + if (!pmc_base) + vtwm_set_pmc_base(); + dev_clk = kzalloc(sizeof(*dev_clk), GFP_KERNEL); if (WARN_ON(!dev_clk)) return; @@ -636,6 +657,9 @@ static __init void vtwm_pll_clk_init(struct device_node *node, int pll_type) struct clk_init_data init; int rc; + if (!pmc_base) + vtwm_set_pmc_base(); + rc = of_property_read_u32(node, "reg", ®); if (WARN_ON(rc)) return; -- cgit v1.2.3 From f44089a7f41c88775428f09e90df8fb2b890058a Mon Sep 17 00:00:00 2001 From: Sebastian Hesselbarth Date: Wed, 4 Sep 2013 14:09:39 +0200 Subject: ARM: vt8500: prepare for arch-wide .init_time callback Current vt8500 board init calls of_clk_init() from vtwm_clk_init. To allow consolidation of DT driven .time_init, move of_clock_init() to a temporary .time_init callback that will be removed when arch-wide callback is available. With previous pmc_base parsing helper for vt8500 clock providers, we can also safely remove the call to vtwm_clk_init() and get rid of some includes. Signed-off-by: Sebastian Hesselbarth Acked-by: Tony Prisk Acked-by: Mike Turquette --- drivers/clk/clk-vt8500.c | 10 ---------- 1 file changed, 10 deletions(-) (limited to 'drivers') diff --git a/drivers/clk/clk-vt8500.c b/drivers/clk/clk-vt8500.c index 39fe72aab1e5..7fd5c5e9e25d 100644 --- a/drivers/clk/clk-vt8500.c +++ b/drivers/clk/clk-vt8500.c @@ -718,13 +718,3 @@ static void __init wm8850_pll_init(struct device_node *node) vtwm_pll_clk_init(node, PLL_TYPE_WM8850); } CLK_OF_DECLARE(wm8850_pll, "wm,wm8850-pll-clock", wm8850_pll_init); - -void __init vtwm_clk_init(void __iomem *base) -{ - if (!base) - return; - - pmc_base = base; - - of_clk_init(NULL); -} -- cgit v1.2.3 From 9f1205d775b6be9cd6d19224e2916147815bc44a Mon Sep 17 00:00:00 2001 From: Sebastian Hesselbarth Date: Tue, 17 Sep 2013 00:38:10 +0200 Subject: ARM: bcm2835: remove custom .init_time hook With arch/arm calling of_clk_init(NULL) from time_init(), we can now remove custom .init_time hooks. Also remove call to of_clk_init from clk-bcm2835 with core fixed_clock match, as this has already been registered now. Signed-off-by: Sebastian Hesselbarth Acked-by: Stephen Warren Acked-by: Mike Turquette --- drivers/clk/clk-bcm2835.c | 8 -------- 1 file changed, 8 deletions(-) (limited to 'drivers') diff --git a/drivers/clk/clk-bcm2835.c b/drivers/clk/clk-bcm2835.c index 5fb4ff53d088..6b950ca8b711 100644 --- a/drivers/clk/clk-bcm2835.c +++ b/drivers/clk/clk-bcm2835.c @@ -20,14 +20,8 @@ #include #include #include -#include #include -static const struct of_device_id clk_match[] __initconst = { - { .compatible = "fixed-clock", .data = of_fixed_clk_setup, }, - { } -}; - /* * These are fixed clocks. They're probably not all root clocks and it may * be possible to turn them on and off but until this is mapped out better @@ -63,6 +57,4 @@ void __init bcm2835_init_clocks(void) ret = clk_register_clkdev(clk, NULL, "20215000.uart"); if (ret) pr_err("uart1_pclk alias not registered\n"); - - of_clk_init(clk_match); } -- cgit v1.2.3 From 26cae166cff9148cd2cab40f64ed548ba1189a8e Mon Sep 17 00:00:00 2001 From: Sebastian Hesselbarth Date: Tue, 27 Aug 2013 14:42:06 +0200 Subject: ARM: highbank: remove custom .init_time hook With arch/arm calling of_clk_init(NULL) from time_init(), we can now remove custom .init_time hooks. Highbank clock provider need a reference to system registers, as a workaround current clk driver maps those independent of arch code now. Signed-off-by: Sebastian Hesselbarth Acked-by: Rob Herring Acked-by: Mike Turquette --- drivers/clk/clk-highbank.c | 10 +++++++--- 1 file changed, 7 insertions(+), 3 deletions(-) (limited to 'drivers') diff --git a/drivers/clk/clk-highbank.c b/drivers/clk/clk-highbank.c index 2e08cb001936..2e7e9d9798cb 100644 --- a/drivers/clk/clk-highbank.c +++ b/drivers/clk/clk-highbank.c @@ -20,8 +20,7 @@ #include #include #include - -extern void __iomem *sregs_base; +#include #define HB_PLL_LOCK_500 0x20000000 #define HB_PLL_LOCK 0x10000000 @@ -280,6 +279,7 @@ static __init struct clk *hb_clk_init(struct device_node *node, const struct clk const char *clk_name = node->name; const char *parent_name; struct clk_init_data init; + struct device_node *srnp; int rc; rc = of_property_read_u32(node, "reg", ®); @@ -290,7 +290,11 @@ static __init struct clk *hb_clk_init(struct device_node *node, const struct clk if (WARN_ON(!hb_clk)) return NULL; - hb_clk->reg = sregs_base + reg; + /* Map system registers */ + srnp = of_find_compatible_node(NULL, NULL, "calxeda,hb-sregs"); + hb_clk->reg = of_iomap(srnp, 0); + BUG_ON(!hb_clk->reg); + hb_clk->reg += reg; of_property_read_string(node, "clock-output-names", &clk_name); -- cgit v1.2.3 From dd03ee9ae5bc080297175c921b1a693d0de1e8b0 Mon Sep 17 00:00:00 2001 From: Sebastian Hesselbarth Date: Wed, 4 Sep 2013 13:16:01 +0200 Subject: ARM: mxs: remove custom .init_time hook This patch converts clk-imx2[38] clocksource_of_init compatible init associated with fsl,imx2[38]-clkctrl. With arch/arm calling of_clk_init(NULL) from time_init(), we can now also remove custom .init_time hooks. Signed-off-by: Sebastian Hesselbarth Acked-by: Mike Turquette Acked-by: Shawn Guo --- drivers/clk/mxs/clk-imx23.c | 15 ++++++++------- drivers/clk/mxs/clk-imx28.c | 16 ++++++++-------- 2 files changed, 16 insertions(+), 15 deletions(-) (limited to 'drivers') diff --git a/drivers/clk/mxs/clk-imx23.c b/drivers/clk/mxs/clk-imx23.c index c396fe361589..9fc9359f5133 100644 --- a/drivers/clk/mxs/clk-imx23.c +++ b/drivers/clk/mxs/clk-imx23.c @@ -12,6 +12,7 @@ #include #include #include +#include #include #include #include @@ -100,16 +101,16 @@ static enum imx23_clk clks_init_on[] __initdata = { cpu, hbus, xbus, emi, uart, }; -int __init mx23_clocks_init(void) +static void __init mx23_clocks_init(struct device_node *np) { - struct device_node *np; + struct device_node *dcnp; u32 i; - np = of_find_compatible_node(NULL, NULL, "fsl,imx23-digctl"); - digctrl = of_iomap(np, 0); + dcnp = of_find_compatible_node(NULL, NULL, "fsl,imx23-digctl"); + digctrl = of_iomap(dcnp, 0); WARN_ON(!digctrl); + of_node_put(dcnp); - np = of_find_compatible_node(NULL, NULL, "fsl,imx23-clkctrl"); clkctrl = of_iomap(np, 0); WARN_ON(!clkctrl); @@ -162,7 +163,7 @@ int __init mx23_clocks_init(void) if (IS_ERR(clks[i])) { pr_err("i.MX23 clk %d: register failed with %ld\n", i, PTR_ERR(clks[i])); - return PTR_ERR(clks[i]); + return; } clk_data.clks = clks; @@ -172,5 +173,5 @@ int __init mx23_clocks_init(void) for (i = 0; i < ARRAY_SIZE(clks_init_on); i++) clk_prepare_enable(clks[clks_init_on[i]]); - return 0; } +CLK_OF_DECLARE(imx23_clkctrl, "fsl,imx23-clkctrl", mx23_clocks_init); diff --git a/drivers/clk/mxs/clk-imx28.c b/drivers/clk/mxs/clk-imx28.c index 4faf0afc44cd..a6c35010e4e5 100644 --- a/drivers/clk/mxs/clk-imx28.c +++ b/drivers/clk/mxs/clk-imx28.c @@ -12,6 +12,7 @@ #include #include #include +#include #include #include #include @@ -154,16 +155,16 @@ static enum imx28_clk clks_init_on[] __initdata = { cpu, hbus, xbus, emi, uart, }; -int __init mx28_clocks_init(void) +static void __init mx28_clocks_init(struct device_node *np) { - struct device_node *np; + struct device_node *dcnp; u32 i; - np = of_find_compatible_node(NULL, NULL, "fsl,imx28-digctl"); - digctrl = of_iomap(np, 0); + dcnp = of_find_compatible_node(NULL, NULL, "fsl,imx28-digctl"); + digctrl = of_iomap(dcnp, 0); WARN_ON(!digctrl); + of_node_put(dcnp); - np = of_find_compatible_node(NULL, NULL, "fsl,imx28-clkctrl"); clkctrl = of_iomap(np, 0); WARN_ON(!clkctrl); @@ -239,7 +240,7 @@ int __init mx28_clocks_init(void) if (IS_ERR(clks[i])) { pr_err("i.MX28 clk %d: register failed with %ld\n", i, PTR_ERR(clks[i])); - return PTR_ERR(clks[i]); + return; } clk_data.clks = clks; @@ -250,6 +251,5 @@ int __init mx28_clocks_init(void) for (i = 0; i < ARRAY_SIZE(clks_init_on); i++) clk_prepare_enable(clks[clks_init_on[i]]); - - return 0; } +CLK_OF_DECLARE(imx28_clkctrl, "fsl,imx28-clkctrl", mx28_clocks_init); -- cgit v1.2.3 From 54362e118c190bbdd5c21caa874c1de21a0ca12b Mon Sep 17 00:00:00 2001 From: Tomasz Figa Date: Sun, 6 Oct 2013 08:59:30 +0900 Subject: gpio: samsung: Use CONFIG_ARCH_S3C64XX to check for S3C64XX support Since CONFIG_PLAT_S3C64XX is going to be removed, this patch modifies the gpio-samsung driver to use the proper way of checking for S3C64xx support - CONFIG_ARCH_S3C64XX. Signed-off-by: Tomasz Figa Acked-by: Linus Walleij Signed-off-by: Kukjin Kim --- drivers/gpio/gpio-samsung.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) (limited to 'drivers') diff --git a/drivers/gpio/gpio-samsung.c b/drivers/gpio/gpio-samsung.c index 358a21c2d811..f6f1c7d244c4 100644 --- a/drivers/gpio/gpio-samsung.c +++ b/drivers/gpio/gpio-samsung.c @@ -1033,7 +1033,7 @@ static int s3c24xx_gpiolib_fbank_to_irq(struct gpio_chip *chip, unsigned offset) } #endif -#ifdef CONFIG_PLAT_S3C64XX +#ifdef CONFIG_ARCH_S3C64XX static int s3c64xx_gpiolib_mbank_to_irq(struct gpio_chip *chip, unsigned pin) { return pin < 5 ? IRQ_EINT(23) + pin : -ENXIO; @@ -1174,7 +1174,7 @@ struct samsung_gpio_chip s3c24xx_gpios[] = { */ static struct samsung_gpio_chip s3c64xx_gpios_4bit[] = { -#ifdef CONFIG_PLAT_S3C64XX +#ifdef CONFIG_ARCH_S3C64XX { .chip = { .base = S3C64XX_GPA(0), @@ -1227,7 +1227,7 @@ static struct samsung_gpio_chip s3c64xx_gpios_4bit[] = { }; static struct samsung_gpio_chip s3c64xx_gpios_4bit2[] = { -#ifdef CONFIG_PLAT_S3C64XX +#ifdef CONFIG_ARCH_S3C64XX { .base = S3C64XX_GPH_BASE + 0x4, .chip = { @@ -1257,7 +1257,7 @@ static struct samsung_gpio_chip s3c64xx_gpios_4bit2[] = { }; static struct samsung_gpio_chip s3c64xx_gpios_2bit[] = { -#ifdef CONFIG_PLAT_S3C64XX +#ifdef CONFIG_ARCH_S3C64XX { .base = S3C64XX_GPF_BASE, .config = &samsung_gpio_cfgs[6], -- cgit v1.2.3 From 7e66e2689cc3ec18b12ef95e6ed094a367886f50 Mon Sep 17 00:00:00 2001 From: Tomasz Figa Date: Sun, 6 Oct 2013 08:59:34 +0900 Subject: s3c-camif: Use CONFIG_ARCH_S3C64XX to check for S3C64XX support Since CONFIG_PLAT_S3C64XX is going to be removed, this patch modifies the Kconfig entry of s3c-camif driver to use the proper way of checking for S3C64xx support - CONFIG_ARCH_S3C64XX. Signed-off-by: Tomasz Figa Signed-off-by: Kukjin Kim --- drivers/media/platform/Kconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/media/platform/Kconfig b/drivers/media/platform/Kconfig index c7caf94621b4..eb70dda8cbf3 100644 --- a/drivers/media/platform/Kconfig +++ b/drivers/media/platform/Kconfig @@ -112,7 +112,7 @@ config VIDEO_OMAP3_DEBUG config VIDEO_S3C_CAMIF tristate "Samsung S3C24XX/S3C64XX SoC Camera Interface driver" depends on VIDEO_V4L2 && I2C && VIDEO_V4L2_SUBDEV_API - depends on (PLAT_S3C64XX || PLAT_S3C24XX) && PM_RUNTIME + depends on (ARCH_S3C64XX || PLAT_S3C24XX) && PM_RUNTIME select VIDEOBUF2_DMA_CONTIG ---help--- This is a v4l2 driver for s3c24xx and s3c64xx SoC series camera -- cgit v1.2.3 From 54bf93c49a9a7a395df3a6442c5b6bf428c945cb Mon Sep 17 00:00:00 2001 From: Sebastian Hesselbarth Date: Mon, 7 Oct 2013 19:53:13 +0200 Subject: clk: nomadik: fix missing __init on nomadik_src_init nomadik_src_init references __initconst sections but lacks an __init itself. Add __init to fix the section mismatch. Signed-off-by: Sebastian Hesselbarth Signed-off-by: Olof Johansson --- drivers/clk/clk-nomadik.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/clk/clk-nomadik.c b/drivers/clk/clk-nomadik.c index ce2d6b32e3f5..6a934a5296bd 100644 --- a/drivers/clk/clk-nomadik.c +++ b/drivers/clk/clk-nomadik.c @@ -86,7 +86,7 @@ static const struct of_device_id nomadik_src_match[] __initconst = { { /* sentinel */ } }; -static void nomadik_src_init(void) +static void __init nomadik_src_init(void) { struct device_node *np; u32 val; -- cgit v1.2.3