linux-kernel - [PATCH] mmc: sdhci-of-dwcmshc: set CQE irq-handler for rockchip variants

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Date: Thu, 30 May 2024 23:55:47 +0200
From: Heiko Stuebner <heiko@...ech.de>
To: adrian.hunter@...el.com,
	ulf.hansson@...aro.org
Cc: serghox@...il.com,
	linux-mmc@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	quentin.schulz@...rry.de,
	Heiko Stuebner <heiko.stuebner@...rry.de>
Subject: [PATCH] mmc: sdhci-of-dwcmshc: set CQE irq-handler for rockchip variants

From: Heiko Stuebner <heiko.stuebner@...rry.de>

The dwcmshc used on Rockchip rk3568 and rk3588 can use cqe, so set
the needed irq handler.

Tested on a rk3588-tiger SoM with dd, hdparm and fio. fio performance
does increase slightly from

Run status group 0 (all jobs):
   READ: bw=209MiB/s (219MB/s), 209MiB/s-209MiB/s (219MB/s-219MB/s), io=4096MiB (4295MB), run=19607-19607msec

without CQE to

Run status group 0 (all jobs):
   READ: bw=215MiB/s (225MB/s), 215MiB/s-215MiB/s (225MB/s-225MB/s), io=4096MiB (4295MB), run=19062-19062msec

with CQE enabled.

Signed-off-by: Heiko Stuebner <heiko.stuebner@...rry.de>
---
 drivers/mmc/host/sdhci-of-dwcmshc.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/mmc/host/sdhci-of-dwcmshc.c b/drivers/mmc/host/sdhci-of-dwcmshc.c
index 4410d4523728d..3c203857189f9 100644
--- a/drivers/mmc/host/sdhci-of-dwcmshc.c
+++ b/drivers/mmc/host/sdhci-of-dwcmshc.c
@@ -908,6 +908,7 @@ static const struct sdhci_ops sdhci_dwcmshc_rk35xx_ops = {
 	.get_max_clock		= rk35xx_get_max_clock,
 	.reset			= rk35xx_sdhci_reset,
 	.adma_write_desc	= dwcmshc_adma_write_desc,
+	.irq			= dwcmshc_cqe_irq_handler,
 };
 
 static const struct sdhci_ops sdhci_dwcmshc_th1520_ops = {
-- 
2.39.2