diff options
author | Linus Walleij <linus.walleij@linaro.org> | 2019-04-08 13:03:09 +0200 |
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committer | Linus Walleij <linus.walleij@linaro.org> | 2019-04-08 13:03:09 +0200 |
commit | 26af34079f1d8299932303cfd2b376b9cf55a35c (patch) | |
tree | f1a9824855fae569aa51c2109a5929715143093d /drivers/net/ethernet/8390/mac8390.c | |
parent | 27157af66324d529b43231c12b5d1e1a3e9fa620 (diff) | |
parent | 79a3aaa7b82e3106be97842dedfd8429248896e6 (diff) |
Merge tag 'v5.1-rc3' into devel
Linux 5.1-rc3
Diffstat (limited to 'drivers/net/ethernet/8390/mac8390.c')
-rw-r--r-- | drivers/net/ethernet/8390/mac8390.c | 19 |
1 files changed, 12 insertions, 7 deletions
diff --git a/drivers/net/ethernet/8390/mac8390.c b/drivers/net/ethernet/8390/mac8390.c index 342ae08ec3c2..d60a86aa8aa8 100644 --- a/drivers/net/ethernet/8390/mac8390.c +++ b/drivers/net/ethernet/8390/mac8390.c @@ -153,8 +153,6 @@ static void dayna_block_input(struct net_device *dev, int count, static void dayna_block_output(struct net_device *dev, int count, const unsigned char *buf, int start_page); -#define memcmp_withio(a, b, c) memcmp((a), (void *)(b), (c)) - /* Slow Sane (16-bit chunk memory read/write) Cabletron uses this */ static void slow_sane_get_8390_hdr(struct net_device *dev, struct e8390_pkt_hdr *hdr, int ring_page); @@ -233,19 +231,26 @@ static enum mac8390_type mac8390_ident(struct nubus_rsrc *fres) static enum mac8390_access mac8390_testio(unsigned long membase) { - unsigned long outdata = 0xA5A0B5B0; - unsigned long indata = 0x00000000; + u32 outdata = 0xA5A0B5B0; + u32 indata = 0; + /* Try writing 32 bits */ - memcpy_toio((void __iomem *)membase, &outdata, 4); - /* Now compare them */ - if (memcmp_withio(&outdata, membase, 4) == 0) + nubus_writel(outdata, membase); + /* Now read it back */ + indata = nubus_readl(membase); + if (outdata == indata) return ACCESS_32; + + outdata = 0xC5C0D5D0; + indata = 0; + /* Write 16 bit output */ word_memcpy_tocard(membase, &outdata, 4); /* Now read it back */ word_memcpy_fromcard(&indata, membase, 4); if (outdata == indata) return ACCESS_16; + return ACCESS_UNKNOWN; } |