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path: root/drivers/net/wireless/microchip/wilc1000/sdio.c
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Diffstat (limited to 'drivers/net/wireless/microchip/wilc1000/sdio.c')
-rw-r--r--drivers/net/wireless/microchip/wilc1000/sdio.c103
1 files changed, 10 insertions, 93 deletions
diff --git a/drivers/net/wireless/microchip/wilc1000/sdio.c b/drivers/net/wireless/microchip/wilc1000/sdio.c
index a05bda7b9a3b..87948ba69a22 100644
--- a/drivers/net/wireless/microchip/wilc1000/sdio.c
+++ b/drivers/net/wireless/microchip/wilc1000/sdio.c
@@ -28,7 +28,6 @@ struct wilc_sdio {
bool irq_gpio;
u32 block_size;
bool isinit;
- int has_thrpt_enh3;
u8 *cmd53_buf;
};
@@ -722,21 +721,12 @@ static int wilc_sdio_init(struct wilc *wilc, bool resume)
* make sure can read back chip id correctly
**/
if (!resume) {
- int rev;
-
ret = wilc_sdio_read_reg(wilc, WILC_CHIPID, &chipid);
if (ret) {
dev_err(&func->dev, "Fail cmd read chip id...\n");
return ret;
}
dev_err(&func->dev, "chipid (%08x)\n", chipid);
- rev = FIELD_GET(WILC_CHIP_REV_FIELD, chipid);
- if (rev > FIELD_GET(WILC_CHIP_REV_FIELD, WILC_1000_BASE_ID_2A))
- sdio_priv->has_thrpt_enh3 = 1;
- else
- sdio_priv->has_thrpt_enh3 = 0;
- dev_info(&func->dev, "has_thrpt_enh3 = %d...\n",
- sdio_priv->has_thrpt_enh3);
}
sdio_priv->isinit = true;
@@ -809,102 +799,29 @@ static int wilc_sdio_clear_int_ext(struct wilc *wilc, u32 val)
struct sdio_func *func = dev_to_sdio_func(wilc->dev);
struct wilc_sdio *sdio_priv = wilc->bus_data;
int ret;
- int vmm_ctl;
-
- if (sdio_priv->has_thrpt_enh3) {
- u32 reg = 0;
-
- if (sdio_priv->irq_gpio)
- reg = val & (BIT(MAX_NUM_INT) - 1);
-
- /* select VMM table 0 */
- if (val & SEL_VMM_TBL0)
- reg |= BIT(5);
- /* select VMM table 1 */
- if (val & SEL_VMM_TBL1)
- reg |= BIT(6);
- /* enable VMM */
- if (val & EN_VMM)
- reg |= BIT(7);
- if (reg) {
- struct sdio_cmd52 cmd;
-
- cmd.read_write = 1;
- cmd.function = 0;
- cmd.raw = 0;
- cmd.address = WILC_SDIO_IRQ_CLEAR_FLAG_REG;
- cmd.data = reg;
-
- ret = wilc_sdio_cmd52(wilc, &cmd);
- if (ret) {
- dev_err(&func->dev,
- "Failed cmd52, set (%02x) data (%d) ...\n",
- cmd.address, __LINE__);
- return ret;
- }
- }
- return 0;
- }
- if (sdio_priv->irq_gpio) {
- /* has_thrpt_enh2 uses register 0xf8 to clear interrupts. */
- /*
- * Cannot clear multiple interrupts.
- * Must clear each interrupt individually.
- */
- u32 flags;
- int i;
-
- flags = val & (BIT(MAX_NUM_INT) - 1);
- for (i = 0; i < NUM_INT_EXT && flags; i++) {
- if (flags & BIT(i)) {
- struct sdio_cmd52 cmd;
-
- cmd.read_write = 1;
- cmd.function = 0;
- cmd.raw = 0;
- cmd.address = WILC_SDIO_IRQ_CLEAR_FLAG_REG;
- cmd.data = BIT(i);
-
- ret = wilc_sdio_cmd52(wilc, &cmd);
- if (ret) {
- dev_err(&func->dev,
- "Failed cmd52, set (%02x) data (%d) ...\n",
- cmd.address, __LINE__);
- return ret;
- }
- flags &= ~BIT(i);
- }
- }
+ u32 reg = 0;
- for (i = NUM_INT_EXT; i < MAX_NUM_INT && flags; i++) {
- if (flags & BIT(i)) {
- dev_err(&func->dev,
- "Unexpected interrupt cleared %d...\n",
- i);
- flags &= ~BIT(i);
- }
- }
- }
+ if (sdio_priv->irq_gpio)
+ reg = val & (BIT(MAX_NUM_INT) - 1);
- vmm_ctl = 0;
/* select VMM table 0 */
if (val & SEL_VMM_TBL0)
- vmm_ctl |= BIT(0);
+ reg |= BIT(5);
/* select VMM table 1 */
if (val & SEL_VMM_TBL1)
- vmm_ctl |= BIT(1);
+ reg |= BIT(6);
/* enable VMM */
if (val & EN_VMM)
- vmm_ctl |= BIT(2);
-
- if (vmm_ctl) {
+ reg |= BIT(7);
+ if (reg) {
struct sdio_cmd52 cmd;
cmd.read_write = 1;
cmd.function = 0;
cmd.raw = 0;
- cmd.address = WILC_SDIO_VMM_TBL_CTRL_REG;
- cmd.data = vmm_ctl;
+ cmd.address = WILC_SDIO_IRQ_CLEAR_FLAG_REG;
+ cmd.data = reg;
+
ret = wilc_sdio_cmd52(wilc, &cmd);
if (ret) {
dev_err(&func->dev,