[PATCH 20/30] staging: mt7621-mmc: Remove unused sdio irq code
Christian Lütke-Stetzkamp
christian at lkamp.de
Sun Apr 29 17:32:33 UTC 2018
Currently the code for the sdio irq is never used, because the flags
for it (MSDC_(EXT_)SDIO_IRQ) are never set. So the whole code for it
can be removed.
Signed-off-by: Christian Lütke-Stetzkamp <christian at lkamp.de>
---
drivers/staging/mt7621-mmc/board.h | 2 --
drivers/staging/mt7621-mmc/sd.c | 25 -------------------------
2 files changed, 27 deletions(-)
diff --git a/drivers/staging/mt7621-mmc/board.h b/drivers/staging/mt7621-mmc/board.h
index 7e0c469a444d..a7d82f321b00 100644
--- a/drivers/staging/mt7621-mmc/board.h
+++ b/drivers/staging/mt7621-mmc/board.h
@@ -39,8 +39,6 @@
#define MSDC_CD_PIN_EN (1 << 0) /* card detection pin is wired */
#define MSDC_WP_PIN_EN (1 << 1) /* write protection pin is wired */
#define MSDC_RST_PIN_EN (1 << 2) /* emmc reset pin is wired */
-#define MSDC_SDIO_IRQ (1 << 3) /* use internal sdio irq (bus) */
-#define MSDC_EXT_SDIO_IRQ (1 << 4) /* use external sdio irq */
#define MSDC_REMOVABLE (1 << 5) /* removable slot */
#define MSDC_SMPL_RISING (0)
diff --git a/drivers/staging/mt7621-mmc/sd.c b/drivers/staging/mt7621-mmc/sd.c
index 614e6a72a50a..7a6101e62891 100644
--- a/drivers/staging/mt7621-mmc/sd.c
+++ b/drivers/staging/mt7621-mmc/sd.c
@@ -1942,33 +1942,11 @@ static int msdc_ops_get_cd(struct mmc_host *mmc)
return present;
}
-/* ops.enable_sdio_irq */
-static void msdc_ops_enable_sdio_irq(struct mmc_host *mmc, int enable)
-{
- struct msdc_host *host = mmc_priv(mmc);
- struct msdc_hw *hw = host->hw;
- void __iomem *base = host->base;
- u32 tmp;
-
- if (hw->flags & MSDC_EXT_SDIO_IRQ) { /* yes for sdio */
- } else {
- ERR_MSG("XXX "); /* so never enter here */
- tmp = sdr_read32(SDC_CFG);
- /* FIXME. Need to interrupt gap detection */
- if (enable)
- tmp |= (SDC_CFG_SDIOIDE | SDC_CFG_SDIOINTWKUP);
- else
- tmp &= ~(SDC_CFG_SDIOIDE | SDC_CFG_SDIOINTWKUP);
- sdr_write32(SDC_CFG, tmp);
- }
-}
-
static struct mmc_host_ops mt_msdc_ops = {
.request = msdc_ops_request,
.set_ios = msdc_ops_set_ios,
.get_ro = msdc_ops_get_ro,
.get_cd = msdc_ops_get_cd,
- .enable_sdio_irq = msdc_ops_enable_sdio_irq,
};
/*--------------------------------------------------------------------------*/
@@ -2330,9 +2308,6 @@ static int msdc_drv_probe(struct platform_device *pdev)
//TODO: read this as bus-width from dt (via mmc_of_parse)
mmc->caps |= MMC_CAP_4_BIT_DATA;
- if ((hw->flags & MSDC_SDIO_IRQ) || (hw->flags & MSDC_EXT_SDIO_IRQ))
- mmc->caps |= MMC_CAP_SDIO_IRQ; /* yes for sdio */
-
cd_active_low = !of_property_read_bool(pdev->dev.of_node, "mediatek,cd-high");
if (of_property_read_bool(pdev->dev.of_node, "mediatek,cd-poll"))
--
2.16.1
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