From: Wolfram Sang <wsa+renesas@sang-engineering.com>
Date: Thu, 6 Oct 2022 19:04:49 +0000 (+0200)
Subject: mmc: tmio: add callback for dma irq
X-Git-Tag: v6.6.7~3927^2~44
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=af728d7ae20483add9f8d3c81280dc6298a0aa2e;p=platform%2Fkernel%2Flinux-starfive.git

mmc: tmio: add callback for dma irq

We don't want to rely only on the access_end irq in the future, so
implement a callback for dma irqs.

Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Tested-by: Duy Nguyen <duy.nguyen.rh@renesas.com>
Tested-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Link: https://lore.kernel.org/r/20221006190452.5316-4-wsa+renesas@sang-engineering.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
---

diff --git a/drivers/mmc/host/tmio_mmc.h b/drivers/mmc/host/tmio_mmc.h
index e36ff80..f3afbed 100644
--- a/drivers/mmc/host/tmio_mmc.h
+++ b/drivers/mmc/host/tmio_mmc.h
@@ -128,6 +128,7 @@ struct tmio_mmc_dma_ops {
 
 	/* optional */
 	void (*end)(struct tmio_mmc_host *host);	/* held host->lock */
+	bool (*dma_irq)(struct tmio_mmc_host *host);
 };
 
 struct tmio_mmc_host {
diff --git a/drivers/mmc/host/tmio_mmc_core.c b/drivers/mmc/host/tmio_mmc_core.c
index 6d50c0d..61f616c 100644
--- a/drivers/mmc/host/tmio_mmc_core.c
+++ b/drivers/mmc/host/tmio_mmc_core.c
@@ -668,6 +668,9 @@ static bool __tmio_mmc_sdcard_irq(struct tmio_mmc_host *host, int ireg,
 		return true;
 	}
 
+	if (host->dma_ops && host->dma_ops->dma_irq && host->dma_ops->dma_irq(host))
+		return true;
+
 	return false;
 }