From e2dbf5ebcc983b0349ab507bf7dd5562cf88dd24 Mon Sep 17 00:00:00 2001 From: Guennadi Liakhovetski Date: Fri, 21 Jan 2011 16:56:37 +0100 Subject: spi/spi_sh_msiof: cosmetic clean-up 1. sort headers alphabetically 2. use fixed-size types u8, u16, u32 for register values and transferred data 3. simplify some arithmetic operations Signed-off-by: Guennadi Liakhovetski [grant.likely@secretlab.ca: removed label indentation change] Signed-off-by: Grant Likely --- drivers/spi/spi_sh_msiof.c | 68 +++++++++++++++++++++++----------------------- 1 file changed, 34 insertions(+), 34 deletions(-) (limited to 'drivers/spi') diff --git a/drivers/spi/spi_sh_msiof.c b/drivers/spi/spi_sh_msiof.c index 56f60c8ea0ab..d220cb287874 100644 --- a/drivers/spi/spi_sh_msiof.c +++ b/drivers/spi/spi_sh_msiof.c @@ -9,22 +9,22 @@ * */ -#include -#include +#include +#include +#include #include +#include +#include +#include #include +#include +#include #include -#include #include -#include -#include -#include -#include -#include +#include #include #include -#include #include @@ -67,7 +67,7 @@ struct sh_msiof_spi_priv { #define STR_TEOF (1 << 23) #define STR_REOF (1 << 7) -static unsigned long sh_msiof_read(struct sh_msiof_spi_priv *p, int reg_offs) +static u32 sh_msiof_read(struct sh_msiof_spi_priv *p, int reg_offs) { switch (reg_offs) { case TSCR: @@ -79,7 +79,7 @@ static unsigned long sh_msiof_read(struct sh_msiof_spi_priv *p, int reg_offs) } static void sh_msiof_write(struct sh_msiof_spi_priv *p, int reg_offs, - unsigned long value) + u32 value) { switch (reg_offs) { case TSCR: @@ -93,10 +93,10 @@ static void sh_msiof_write(struct sh_msiof_spi_priv *p, int reg_offs, } static int sh_msiof_modify_ctr_wait(struct sh_msiof_spi_priv *p, - unsigned long clr, unsigned long set) + u32 clr, u32 set) { - unsigned long mask = clr | set; - unsigned long data; + u32 mask = clr | set; + u32 data; int k; data = sh_msiof_read(p, CTR); @@ -166,10 +166,10 @@ static void sh_msiof_spi_set_clk_regs(struct sh_msiof_spi_priv *p, } static void sh_msiof_spi_set_pin_regs(struct sh_msiof_spi_priv *p, - int cpol, int cpha, - int tx_hi_z, int lsb_first) + u32 cpol, u32 cpha, + u32 tx_hi_z, u32 lsb_first) { - unsigned long tmp; + u32 tmp; int edge; /* @@ -187,7 +187,7 @@ static void sh_msiof_spi_set_pin_regs(struct sh_msiof_spi_priv *p, tmp |= cpol << 30; /* TSCKIZ */ tmp |= cpol << 28; /* RSCKIZ */ - edge = cpol ? cpha : !cpha; + edge = cpol ^ !cpha; tmp |= edge << 27; /* TEDG */ tmp |= edge << 26; /* REDG */ @@ -197,11 +197,9 @@ static void sh_msiof_spi_set_pin_regs(struct sh_msiof_spi_priv *p, static void sh_msiof_spi_set_mode_regs(struct sh_msiof_spi_priv *p, const void *tx_buf, void *rx_buf, - int bits, int words) + u32 bits, u32 words) { - unsigned long dr2; - - dr2 = ((bits - 1) << 24) | ((words - 1) << 16); + u32 dr2 = ((bits - 1) << 24) | ((words - 1) << 16); if (tx_buf) sh_msiof_write(p, TMDR2, dr2); @@ -222,7 +220,7 @@ static void sh_msiof_reset_str(struct sh_msiof_spi_priv *p) static void sh_msiof_spi_write_fifo_8(struct sh_msiof_spi_priv *p, const void *tx_buf, int words, int fs) { - const unsigned char *buf_8 = tx_buf; + const u8 *buf_8 = tx_buf; int k; for (k = 0; k < words; k++) @@ -232,7 +230,7 @@ static void sh_msiof_spi_write_fifo_8(struct sh_msiof_spi_priv *p, static void sh_msiof_spi_write_fifo_16(struct sh_msiof_spi_priv *p, const void *tx_buf, int words, int fs) { - const unsigned short *buf_16 = tx_buf; + const u16 *buf_16 = tx_buf; int k; for (k = 0; k < words; k++) @@ -242,7 +240,7 @@ static void sh_msiof_spi_write_fifo_16(struct sh_msiof_spi_priv *p, static void sh_msiof_spi_write_fifo_16u(struct sh_msiof_spi_priv *p, const void *tx_buf, int words, int fs) { - const unsigned short *buf_16 = tx_buf; + const u16 *buf_16 = tx_buf; int k; for (k = 0; k < words; k++) @@ -252,7 +250,7 @@ static void sh_msiof_spi_write_fifo_16u(struct sh_msiof_spi_priv *p, static void sh_msiof_spi_write_fifo_32(struct sh_msiof_spi_priv *p, const void *tx_buf, int words, int fs) { - const unsigned int *buf_32 = tx_buf; + const u32 *buf_32 = tx_buf; int k; for (k = 0; k < words; k++) @@ -262,7 +260,7 @@ static void sh_msiof_spi_write_fifo_32(struct sh_msiof_spi_priv *p, static void sh_msiof_spi_write_fifo_32u(struct sh_msiof_spi_priv *p, const void *tx_buf, int words, int fs) { - const unsigned int *buf_32 = tx_buf; + const u32 *buf_32 = tx_buf; int k; for (k = 0; k < words; k++) @@ -272,7 +270,7 @@ static void sh_msiof_spi_write_fifo_32u(struct sh_msiof_spi_priv *p, static void sh_msiof_spi_read_fifo_8(struct sh_msiof_spi_priv *p, void *rx_buf, int words, int fs) { - unsigned char *buf_8 = rx_buf; + u8 *buf_8 = rx_buf; int k; for (k = 0; k < words; k++) @@ -282,7 +280,7 @@ static void sh_msiof_spi_read_fifo_8(struct sh_msiof_spi_priv *p, static void sh_msiof_spi_read_fifo_16(struct sh_msiof_spi_priv *p, void *rx_buf, int words, int fs) { - unsigned short *buf_16 = rx_buf; + u16 *buf_16 = rx_buf; int k; for (k = 0; k < words; k++) @@ -292,7 +290,7 @@ static void sh_msiof_spi_read_fifo_16(struct sh_msiof_spi_priv *p, static void sh_msiof_spi_read_fifo_16u(struct sh_msiof_spi_priv *p, void *rx_buf, int words, int fs) { - unsigned short *buf_16 = rx_buf; + u16 *buf_16 = rx_buf; int k; for (k = 0; k < words; k++) @@ -302,7 +300,7 @@ static void sh_msiof_spi_read_fifo_16u(struct sh_msiof_spi_priv *p, static void sh_msiof_spi_read_fifo_32(struct sh_msiof_spi_priv *p, void *rx_buf, int words, int fs) { - unsigned int *buf_32 = rx_buf; + u32 *buf_32 = rx_buf; int k; for (k = 0; k < words; k++) @@ -312,7 +310,7 @@ static void sh_msiof_spi_read_fifo_32(struct sh_msiof_spi_priv *p, static void sh_msiof_spi_read_fifo_32u(struct sh_msiof_spi_priv *p, void *rx_buf, int words, int fs) { - unsigned int *buf_32 = rx_buf; + u32 *buf_32 = rx_buf; int k; for (k = 0; k < words; k++) @@ -324,7 +322,8 @@ static int sh_msiof_spi_bits(struct spi_device *spi, struct spi_transfer *t) int bits; bits = t ? t->bits_per_word : 0; - bits = bits ? bits : spi->bits_per_word; + if (!bits) + bits = spi->bits_per_word; return bits; } @@ -334,7 +333,8 @@ static unsigned long sh_msiof_spi_hz(struct spi_device *spi, unsigned long hz; hz = t ? t->speed_hz : 0; - hz = hz ? hz : spi->max_speed_hz; + if (!hz) + hz = spi->max_speed_hz; return hz; } -- cgit v1.2.3