From 75ce07d4a09e31a8d2c38bce95e92d12031e605a Mon Sep 17 00:00:00 2001 From: Tony Cho Date: Tue, 20 Oct 2015 14:26:55 +0900 Subject: [PATCH] staging: wilc1000: introduce struct wilc_sdio for sdio data This patch introduces struct wilc_sdio for sdio driver data. The wilc_sdio is allocated and set as driver data when the sdio is probed and deallocated when the sdio is removed. Signed-off-by: Tony Cho Signed-off-by: Greg Kroah-Hartman --- drivers/staging/wilc1000/linux_wlan_sdio.c | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/drivers/staging/wilc1000/linux_wlan_sdio.c b/drivers/staging/wilc1000/linux_wlan_sdio.c index 1bd7f9b20ee7..9a45871e9093 100644 --- a/drivers/staging/wilc1000/linux_wlan_sdio.c +++ b/drivers/staging/wilc1000/linux_wlan_sdio.c @@ -21,6 +21,10 @@ #define MAX_SPEED (6 * 1000000) /* Max 50M */ #endif +struct wilc_sdio { + struct sdio_func *func; + struct wilc *wilc; +}; struct sdio_func *local_sdio_func; extern int wilc_netdev_init(void); @@ -112,14 +116,22 @@ int linux_sdio_cmd53(sdio_cmd53_t *cmd) static int linux_sdio_probe(struct sdio_func *func, const struct sdio_device_id *id) { + struct wilc_sdio *wl_sdio; + PRINT_D(INIT_DBG, "probe function\n"); + wl_sdio = kzalloc(sizeof(struct wilc_sdio), GFP_KERNEL); + if (!wl_sdio) + return -ENOMEM; PRINT_D(INIT_DBG, "Initializing netdev\n"); local_sdio_func = func; if (wilc_netdev_init()) { PRINT_ER("Couldn't initialize netdev\n"); + kfree(wl_sdio); return -1; } + wl_sdio->func = func; + sdio_set_drvdata(func, wl_sdio); printk("Driver Initializing success\n"); return 0; @@ -127,7 +139,11 @@ static int linux_sdio_probe(struct sdio_func *func, const struct sdio_device_id static void linux_sdio_remove(struct sdio_func *func) { + struct wilc_sdio *wl_sdio; + + wl_sdio = sdio_get_drvdata(func); wl_wlan_cleanup(); + kfree(wl_sdio); } struct sdio_driver wilc_bus = { -- 2.30.2