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path: root/drivers/net/wireless/ath/ath9k/hw.c
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Diffstat (limited to 'drivers/net/wireless/ath/ath9k/hw.c')
-rw-r--r--drivers/net/wireless/ath/ath9k/hw.c39
1 files changed, 14 insertions, 25 deletions
diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index 5982e0db45f9..f9a774bd0e13 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -21,7 +21,7 @@
#include <linux/bitops.h>
#include <linux/etherdevice.h>
#include <linux/gpio.h>
-#include <asm/unaligned.h>
+#include <linux/unaligned.h>
#include "hw.h"
#include "hw-ops.h"
@@ -490,7 +490,7 @@ static void ath9k_hw_init_macaddr(struct ath_hw *ah)
u16 eeval;
static const u32 EEP_MAC[] = { EEP_MAC_LSW, EEP_MAC_MID, EEP_MAC_MSW };
- /* MAC address may already be loaded via ath9k_platform_data */
+ /* MAC address may already be loaded via NVMEM */
if (is_valid_ether_addr(common->macaddr))
return;
@@ -1847,20 +1847,11 @@ fail:
return -EINVAL;
}
-u32 ath9k_hw_get_tsf_offset(struct timespec64 *last, struct timespec64 *cur)
+u32 ath9k_hw_get_tsf_offset(ktime_t last, ktime_t cur)
{
- struct timespec64 ts;
- s64 usec;
-
- if (!cur) {
- ktime_get_raw_ts64(&ts);
- cur = &ts;
- }
-
- usec = cur->tv_sec * 1000000ULL + cur->tv_nsec / 1000;
- usec -= last->tv_sec * 1000000ULL + last->tv_nsec / 1000;
-
- return (u32) usec;
+ if (cur == 0)
+ cur = ktime_get_raw();
+ return ktime_us_delta(cur, last);
}
EXPORT_SYMBOL(ath9k_hw_get_tsf_offset);
@@ -1871,7 +1862,7 @@ int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan,
u32 saveLedState;
u32 saveDefAntenna;
u32 macStaId1;
- struct timespec64 tsf_ts;
+ ktime_t tsf_ts;
u32 tsf_offset;
u64 tsf = 0;
int r;
@@ -1917,7 +1908,7 @@ int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan,
macStaId1 = REG_READ(ah, AR_STA_ID1) & AR_STA_ID1_BASE_RATE_11B;
/* Save TSF before chip reset, a cold reset clears it */
- ktime_get_raw_ts64(&tsf_ts);
+ tsf_ts = ktime_get_raw();
tsf = ath9k_hw_gettsf64(ah);
saveLedState = REG_READ(ah, AR_CFG_LED) &
@@ -1951,7 +1942,7 @@ int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan,
}
/* Restore TSF */
- tsf_offset = ath9k_hw_get_tsf_offset(&tsf_ts, NULL);
+ tsf_offset = ath9k_hw_get_tsf_offset(tsf_ts, 0);
ath9k_hw_settsf64(ah, tsf + tsf_offset);
if (AR_SREV_9280_20_OR_LATER(ah))
@@ -1975,7 +1966,7 @@ int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan,
* value after the initvals have been applied.
*/
if (AR_SREV_9100(ah) && (ath9k_hw_gettsf64(ah) < tsf)) {
- tsf_offset = ath9k_hw_get_tsf_offset(&tsf_ts, NULL);
+ tsf_offset = ath9k_hw_get_tsf_offset(tsf_ts, 0);
ath9k_hw_settsf64(ah, tsf + tsf_offset);
}
@@ -2149,7 +2140,7 @@ static void ath9k_set_power_network_sleep(struct ath_hw *ah)
/* When chip goes into network sleep, it could be waken
* up by MCI_INT interrupt caused by BT's HW messages
- * (LNA_xxx, CONT_xxx) which chould be in a very fast
+ * (LNA_xxx, CONT_xxx) which could be in a very fast
* rate (~100us). This will cause chip to leave and
* re-enter network sleep mode frequently, which in
* consequence will have WLAN MCI HW to generate lots of
@@ -2544,7 +2535,7 @@ int ath9k_hw_fill_cap_info(struct ath_hw *ah)
pCap->tx_chainmask = ah->eep_ops->get_eeprom(ah, EEP_TX_MASK);
/*
- * For AR9271 we will temporarilly uses the rx chainmax as read from
+ * For AR9271 we will temporarily use the rx chainmax as read from
* the EEPROM.
*/
if ((ah->hw_version.devid == AR5416_DEVID_PCI) &&
@@ -2732,7 +2723,7 @@ static void ath9k_hw_gpio_cfg_soc(struct ath_hw *ah, u32 gpio, bool out,
if (ah->caps.gpio_requested & BIT(gpio))
return;
- err = gpio_request_one(gpio, out ? GPIOF_OUT_INIT_LOW : GPIOF_IN, label);
+ err = devm_gpio_request_one(ah->dev, gpio, out ? GPIOF_OUT_INIT_LOW : GPIOF_IN, label);
if (err) {
ath_err(ath9k_hw_common(ah), "request GPIO%d failed:%d\n",
gpio, err);
@@ -2801,10 +2792,8 @@ void ath9k_hw_gpio_free(struct ath_hw *ah, u32 gpio)
WARN_ON(gpio >= ah->caps.num_gpio_pins);
- if (ah->caps.gpio_requested & BIT(gpio)) {
- gpio_free(gpio);
+ if (ah->caps.gpio_requested & BIT(gpio))
ah->caps.gpio_requested &= ~BIT(gpio);
- }
}
EXPORT_SYMBOL(ath9k_hw_gpio_free);