staging: wilc1000: remove unused interrupt status handling code

Remove interrupt handling for unused interrupt status(PLL update and
Sleep). The firmware only initiates the interrupt for the data transfer
to host and rest are not used anymore.

Signed-off-by: Ajay Singh <ajay.kathat@microchip.com>
Link: https://lore.kernel.org/r/20190910074514.3073-1-ajay.kathat@microchip.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/wilc1000/wilc_wlan.c b/drivers/staging/wilc1000/wilc_wlan.c
index 2bbb359..771d8cb 100644 (file)
--- a/drivers/staging/wilc1000/wilc_wlan.c
+++ b/drivers/staging/wilc1000/wilc_wlan.c
@@ -758,26 +758,6 @@ static void wilc_unknown_isr_ext(struct wilc *wilc)
        wilc->hif_func->hif_clear_int_ext(wilc, 0);
 }
 
-static void wilc_pllupdate_isr_ext(struct wilc *wilc, u32 int_stats)
-{
-       int trials = 10;
-
-       wilc->hif_func->hif_clear_int_ext(wilc, PLL_INT_CLR);
-
-       if (wilc->io_type == WILC_HIF_SDIO)
-               mdelay(WILC_PLL_TO_SDIO);
-       else
-               mdelay(WILC_PLL_TO_SPI);
-
-       while (!(is_wilc1000(wilc_get_chipid(wilc, true)) && --trials))
-               mdelay(1);
-}
-
-static void wilc_sleeptimer_isr_ext(struct wilc *wilc, u32 int_stats1)
-{
-       wilc->hif_func->hif_clear_int_ext(wilc, SLEEP_INT_CLR);
-}
-
 static void wilc_wlan_handle_isr_ext(struct wilc *wilc, u32 int_status)
 {
        u32 offset = wilc->rx_buffer_offset;
@@ -827,15 +807,9 @@ void wilc_handle_isr(struct wilc *wilc)
        acquire_bus(wilc, WILC_BUS_ACQUIRE_AND_WAKEUP);
        wilc->hif_func->hif_read_int(wilc, &int_status);
 
-       if (int_status & PLL_INT_EXT)
-               wilc_pllupdate_isr_ext(wilc, int_status);
-
        if (int_status & DATA_INT_EXT)
                wilc_wlan_handle_isr_ext(wilc, int_status);
 
-       if (int_status & SLEEP_INT_EXT)
-               wilc_sleeptimer_isr_ext(wilc, int_status);
-
        if (!(int_status & (ALL_INT_EXT)))
                wilc_unknown_isr_ext(wilc);
 

diff --git a/drivers/staging/wilc1000/wilc_wlan.h b/drivers/staging/wilc1000/wilc_wlan.h
index f566d04..7469fa4 100644 (file)
--- a/drivers/staging/wilc1000/wilc_wlan.h
+++ b/drivers/staging/wilc1000/wilc_wlan.h
@@ -128,8 +128,6 @@
 #define WILC_CFG_RSP_STATUS    2
 #define WILC_CFG_RSP_SCAN      3
 
-#define WILC_PLL_TO_SDIO       4
-#define WILC_PLL_TO_SPI                2
 #define WILC_ABORT_REQ_BIT             BIT(31)
 
 #define WILC_RX_BUFF_SIZE      (96 * 1024)
@@ -185,14 +183,10 @@
 #define EN_VMM                 BIT(8)
 
 #define DATA_INT_EXT           INT_0
-#define PLL_INT_EXT            INT_1
-#define SLEEP_INT_EXT          INT_2
-#define ALL_INT_EXT            (DATA_INT_EXT | PLL_INT_EXT | SLEEP_INT_EXT)
-#define NUM_INT_EXT            3
+#define ALL_INT_EXT            DATA_INT_EXT
+#define NUM_INT_EXT            1
 
 #define DATA_INT_CLR           CLR_INT0
-#define PLL_INT_CLR            CLR_INT1
-#define SLEEP_INT_CLR          CLR_INT2
 
 #define ENABLE_RX_VMM          (SEL_VMM_TBL1 | EN_VMM)
 #define ENABLE_TX_VMM          (SEL_VMM_TBL0 | EN_VMM)