diff mbox

[6/9,v3] mmc: tmio: remove Renesas specific #ifdef

Message ID 8738cltgpr.wl%kuninori.morimoto.gx@gmail.com (mailing list archive)
State Awaiting Upstream
Headers show

Commit Message

Kuninori Morimoto Aug. 25, 2014, 3:01 a.m. UTC 
From: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>

This patch adds new TMIO_MMC_HAVE_CTL_DMA_REG flag,
and remove Renesas specific #ifdef from tmio driver

Tested-by: Nguyen Xuan Nui <nx-nui@jinso.co.jp>
Tested-by: Hiep Cao Minh <cm-hiep@jinso.co.jp>
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
---
v2 -> v3

 - no change

 drivers/mmc/host/sh_mobile_sdhi.c |    5 +++++
 drivers/mmc/host/tmio_mmc_dma.c   |    6 ++----
 include/linux/mfd/tmio.h          |    5 +++++
 3 files changed, 12 insertions(+), 4 deletions(-)
diff mbox

Patch

diff --git a/drivers/mmc/host/sh_mobile_sdhi.c b/drivers/mmc/host/sh_mobile_sdhi.c
index 42730d9..cd54ca8 100644
--- a/drivers/mmc/host/sh_mobile_sdhi.c
+++ b/drivers/mmc/host/sh_mobile_sdhi.c
@@ -235,6 +235,11 @@  static int sh_mobile_sdhi_probe(struct platform_device *pdev)
 	 */
 	mmc_data->flags |= TMIO_MMC_SDIO_STATUS_QUIRK;
 
+	/*
+	 * All SDHI have DMA control register
+	 */
+	mmc_data->flags |= TMIO_MMC_HAVE_CTL_DMA_REG;
+
 	if (of_id && of_id->data) {
 		const struct sh_mobile_sdhi_of_data *of_data = of_id->data;
 		mmc_data->flags |= of_data->tmio_flags;
diff --git a/drivers/mmc/host/tmio_mmc_dma.c b/drivers/mmc/host/tmio_mmc_dma.c
index bd646b0..7d07738 100644
--- a/drivers/mmc/host/tmio_mmc_dma.c
+++ b/drivers/mmc/host/tmio_mmc_dma.c
@@ -28,10 +28,8 @@  void tmio_mmc_enable_dma(struct tmio_mmc_host *host, bool enable)
 	if (!host->chan_tx || !host->chan_rx)
 		return;
 
-#if defined(CONFIG_SUPERH) || defined(CONFIG_ARCH_SHMOBILE)
-	/* Switch DMA mode on or off - SuperH specific? */
-	sd_ctrl_write16(host, CTL_DMA_ENABLE, enable ? 2 : 0);
-#endif
+	if (host->pdata->flags & TMIO_MMC_HAVE_CTL_DMA_REG)
+		sd_ctrl_write16(host, CTL_DMA_ENABLE, enable ? 2 : 0);
 }
 
 void tmio_mmc_abort_dma(struct tmio_mmc_host *host)
diff --git a/include/linux/mfd/tmio.h b/include/linux/mfd/tmio.h
index a7493ae..adcb0cd 100644
--- a/include/linux/mfd/tmio.h
+++ b/include/linux/mfd/tmio.h
@@ -94,6 +94,11 @@ 
  */
 #define TMIO_MMC_SDIO_STATUS_QUIRK	(1 << 8)
 
+/*
+ * Some controllers have DMA enable/disable register
+ */
+#define TMIO_MMC_HAVE_CTL_DMA_REG	(1 << 9)
+
 int tmio_core_mmc_enable(void __iomem *cnf, int shift, unsigned long base);
 int tmio_core_mmc_resume(void __iomem *cnf, int shift, unsigned long base);
 void tmio_core_mmc_pwr(void __iomem *cnf, int shift, int state);