diff options
author | David Mosberger-Tang <davidm@egauge.net> | 2021-12-21 21:05:41 +0000 |
---|---|---|
committer | Kalle Valo <kvalo@kernel.org> | 2021-12-22 19:50:50 +0200 |
commit | 4d2cd7b06ce0d539b70619f7662fa67508d9008a (patch) | |
tree | 6802a7dc6ed9419fac972bdb2a3f563f913b3a2d /drivers | |
parent | 5f48d7bbec3775c9388c91c6920a64076f7ae339 (diff) | |
download | linux-4d2cd7b06ce0d539b70619f7662fa67508d9008a.tar.bz2 |
wilc1000: Convert static "chipid" variable to device-local variable
Move "chipid" variable into the per-driver structure so the code
doesn't break if more than one wilc1000 module is present.
Signed-off-by: David Mosberger-Tang <davidm@egauge.net>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20211221210538.4011227-1-davidm@egauge.net
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/net/wireless/microchip/wilc1000/netdev.h | 1 | ||||
-rw-r--r-- | drivers/net/wireless/microchip/wilc1000/wlan.c | 27 |
2 files changed, 14 insertions, 14 deletions
diff --git a/drivers/net/wireless/microchip/wilc1000/netdev.h b/drivers/net/wireless/microchip/wilc1000/netdev.h index 6c0e634d0249..a067274c2014 100644 --- a/drivers/net/wireless/microchip/wilc1000/netdev.h +++ b/drivers/net/wireless/microchip/wilc1000/netdev.h @@ -212,6 +212,7 @@ struct wilc { s8 mac_status; struct clk *rtc_clk; bool initialized; + u32 chipid; bool power_save_mode; int dev_irq_num; int close; diff --git a/drivers/net/wireless/microchip/wilc1000/wlan.c b/drivers/net/wireless/microchip/wilc1000/wlan.c index 3f339c2f46f1..a2aa8894320f 100644 --- a/drivers/net/wireless/microchip/wilc1000/wlan.c +++ b/drivers/net/wireless/microchip/wilc1000/wlan.c @@ -1443,31 +1443,30 @@ release: u32 wilc_get_chipid(struct wilc *wilc, bool update) { - static u32 chipid; - u32 tempchipid = 0; + u32 chipid = 0; u32 rfrevid = 0; - if (chipid == 0 || update) { - wilc->hif_func->hif_read_reg(wilc, WILC_CHIPID, &tempchipid); + if (wilc->chipid == 0 || update) { + wilc->hif_func->hif_read_reg(wilc, WILC_CHIPID, &chipid); wilc->hif_func->hif_read_reg(wilc, WILC_RF_REVISION_ID, &rfrevid); - if (!is_wilc1000(tempchipid)) { - chipid = 0; - return chipid; + if (!is_wilc1000(chipid)) { + wilc->chipid = 0; + return wilc->chipid; } - if (tempchipid == WILC_1000_BASE_ID_2A) { /* 0x1002A0 */ + if (chipid == WILC_1000_BASE_ID_2A) { /* 0x1002A0 */ if (rfrevid != 0x1) - tempchipid = WILC_1000_BASE_ID_2A_REV1; - } else if (tempchipid == WILC_1000_BASE_ID_2B) { /* 0x1002B0 */ + chipid = WILC_1000_BASE_ID_2A_REV1; + } else if (chipid == WILC_1000_BASE_ID_2B) { /* 0x1002B0 */ if (rfrevid == 0x4) - tempchipid = WILC_1000_BASE_ID_2B_REV1; + chipid = WILC_1000_BASE_ID_2B_REV1; else if (rfrevid != 0x3) - tempchipid = WILC_1000_BASE_ID_2B_REV2; + chipid = WILC_1000_BASE_ID_2B_REV2; } - chipid = tempchipid; + wilc->chipid = chipid; } - return chipid; + return wilc->chipid; } int wilc_wlan_init(struct net_device *dev) |