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From:   <Ajay.Kathat@microchip.com>
To:     <linux-wireless@vger.kernel.org>
CC:     <devel@driverdev.osuosl.org>, <gregkh@linuxfoundation.org>,
        <Adham.Abozaeid@microchip.com>, <johannes@sipsolutions.net>,
        <Ajay.Kathat@microchip.com>
Subject: [PATCH 1/2] staging: wilc1000: remove unused interrupt status
 handling code
Thread-Topic: [PATCH 1/2] staging: wilc1000: remove unused interrupt status
 handling code
Thread-Index: AQHVZ6vMJxNkB4UPSE+yElL8DxZzpw==
Date:   Tue, 10 Sep 2019 07:46:04 +0000
Message-ID: <20190910074514.3073-1-ajay.kathat@microchip.com>
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From: Ajay Singh <ajay.kathat@microchip.com>

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>
---
 drivers/staging/wilc1000/wilc_wlan.c | 26 --------------------------
 drivers/staging/wilc1000/wilc_wlan.h | 10 ++--------
 2 files changed, 2 insertions(+), 34 deletions(-)

diff --git a/drivers/staging/wilc1000/wilc_wlan.c b/drivers/staging/wilc100=
0/wilc_wlan.c
index 2bbb359d2119..771d8cb68dc1 100644
--- 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);
 }
=20
-static void wilc_pllupdate_isr_ext(struct wilc *wilc, u32 int_stats)
-{
-	int trials =3D 10;
-
-	wilc->hif_func->hif_clear_int_ext(wilc, PLL_INT_CLR);
-
-	if (wilc->io_type =3D=3D 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 =3D 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);
=20
-	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);
=20
-	if (int_status & SLEEP_INT_EXT)
-		wilc_sleeptimer_isr_ext(wilc, int_status);
-
 	if (!(int_status & (ALL_INT_EXT)))
 		wilc_unknown_isr_ext(wilc);
=20
diff --git a/drivers/staging/wilc1000/wilc_wlan.h b/drivers/staging/wilc100=
0/wilc_wlan.h
index f566d040bb72..7469fa47d588 100644
--- 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
=20
-#define WILC_PLL_TO_SDIO	4
-#define WILC_PLL_TO_SPI		2
 #define WILC_ABORT_REQ_BIT		BIT(31)
=20
 #define WILC_RX_BUFF_SIZE	(96 * 1024)
@@ -185,14 +183,10 @@
 #define EN_VMM			BIT(8)
=20
 #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
=20
 #define DATA_INT_CLR		CLR_INT0
-#define PLL_INT_CLR		CLR_INT1
-#define SLEEP_INT_CLR		CLR_INT2
=20
 #define ENABLE_RX_VMM		(SEL_VMM_TBL1 | EN_VMM)
 #define ENABLE_TX_VMM		(SEL_VMM_TBL0 | EN_VMM)
--=20
2.22.0