@@ -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;
@@ -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)
@@ -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);