PWN-Hunter/android_kernel_xiaomi_sdm845
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ath9k: Program the RTC registers correctly

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This patch programs the RTC registers of AR9100 chipsets
correctly during chip reset.

Signed-off-by: Sujith <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Sujith 2009-02-16 13:23:12 +05:30 committed by John W. Linville
parent 362695e11a
commit 70768496db
2 changed files with 14 additions and 2 deletions
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8
drivers/net/wireless/ath9k/hw.c
View File

@ -1482,6 +1482,14 @@ static bool ath9k_hw_set_reset(struct ath_hw *ah, int type)
u32 rst_flags;
u32 tmpReg;
if (AR_SREV_9100(ah)) {
u32 val = REG_READ(ah, AR_RTC_DERIVED_CLK);
val &= ~AR_RTC_DERIVED_CLK_PERIOD;
val |= SM(1, AR_RTC_DERIVED_CLK_PERIOD);
REG_WRITE(ah, AR_RTC_DERIVED_CLK, val);
(void)REG_READ(ah, AR_RTC_DERIVED_CLK);
}
REG_WRITE(ah, AR_RTC_FORCE_WAKE, AR_RTC_FORCE_WAKE_EN |
AR_RTC_FORCE_WAKE_ON_INT);

8
drivers/net/wireless/ath9k/reg.h
View File

@ -977,8 +977,6 @@ enum {
#define AR_RTC_PLL_CLKSEL 0x00000300
#define AR_RTC_PLL_CLKSEL_S 8
#define AR_RTC_RESET \
((AR_SREV_9100(ah)) ? (AR_RTC_BASE + 0x0040) : 0x7040)
#define AR_RTC_RESET_EN (0x00000001)
@ -1015,6 +1013,12 @@ enum {
#define AR_RTC_INTR_MASK \
((AR_SREV_9100(ah)) ? (AR_RTC_BASE + 0x0058) : 0x7058)
/* RTC_DERIVED_* - only for AR9100 */
#define AR_RTC_DERIVED_CLK (AR_RTC_BASE + 0x0038)
#define AR_RTC_DERIVED_CLK_PERIOD 0x0000fffe
#define AR_RTC_DERIVED_CLK_PERIOD_S 1
#define AR_SEQ_MASK 0x8060
#define AR_AN_RF2G1_CH0 0x7810