7bbf4117c6
This add support for kernel 4.9 to the ar71xx target. It was compile tested with the generic, NAND and mikrotik subtarget. Multiple members of the community tested it on their boards and did not report any major problem so far. Especially the NAND part received some changes to adapt to the new kernel APIs. The serial driver hack used for the Arduino Yun was not ported because the kernel changed there a lot. Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
30 lines
631 B
Diff
30 lines
631 B
Diff
--- a/arch/mips/ath79/dev-wmac.c
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+++ b/arch/mips/ath79/dev-wmac.c
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@@ -62,10 +62,26 @@ static void __init ar913x_wmac_setup(voi
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static int ar933x_wmac_reset(void)
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{
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+ int retries = 20;
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+
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ath79_device_reset_set(AR933X_RESET_WMAC);
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ath79_device_reset_clear(AR933X_RESET_WMAC);
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- return 0;
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+ while (1) {
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+ u32 bootstrap;
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+
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+ bootstrap = ath79_reset_rr(AR933X_RESET_REG_BOOTSTRAP);
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+ if ((bootstrap & AR933X_BOOTSTRAP_EEPBUSY) == 0)
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+ return 0;
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+
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+ if (retries-- == 0)
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+ break;
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+
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+ udelay(10000);
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+ }
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+
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+ pr_err("ar933x: WMAC reset timed out");
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+ return -ETIMEDOUT;
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}
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static int ar933x_r1_get_wmac_revision(void)
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