Linux MultiMedia Card development
 help / color / mirror / Atom feed
* [PATCH] mmc: davinci: fix mmc_add_host order in probe
@ 2026-05-10 16:29 Osama Abdelkader
  0 siblings, 0 replies; only message in thread
From: Osama Abdelkader @ 2026-05-10 16:29 UTC (permalink / raw)
  To: bartosz.golaszewski, Ulf Hansson, Huacai Chen,
	Pedro Demarchi Gomes, Jisheng Zhang, Binbin Zhou, Colin Ian King,
	Osama Abdelkader, linux-mmc, linux-kernel

mmc_add_host() makes the host visible to the MMC core. Register the
interrupt handlers and advertise MMC_CAP_SDIO_IRQ before that, so the
core cannot start using the host before IRQ handling is set up.

Signed-off-by: Osama Abdelkader <osama.abdelkader@gmail.com>
---
 drivers/mmc/host/davinci_mmc.c | 12 +++++-------
 1 file changed, 5 insertions(+), 7 deletions(-)

diff --git a/drivers/mmc/host/davinci_mmc.c b/drivers/mmc/host/davinci_mmc.c
index 42b0118a45a8..a598febe7332 100644
--- a/drivers/mmc/host/davinci_mmc.c
+++ b/drivers/mmc/host/davinci_mmc.c
@@ -1294,14 +1294,10 @@ static int davinci_mmcsd_probe(struct platform_device *pdev)
 		goto cpu_freq_fail;
 	}
 
-	ret = mmc_add_host(mmc);
-	if (ret < 0)
-		goto mmc_add_host_fail;
-
 	ret = devm_request_irq(&pdev->dev, irq, mmc_davinci_irq, 0,
 			       mmc_hostname(mmc), host);
 	if (ret)
-		goto request_irq_fail;
+		goto mmc_add_host_fail;
 
 	if (host->sdio_irq >= 0) {
 		ret = devm_request_irq(&pdev->dev, host->sdio_irq,
@@ -1311,6 +1307,10 @@ static int davinci_mmcsd_probe(struct platform_device *pdev)
 			mmc->caps |= MMC_CAP_SDIO_IRQ;
 	}
 
+	ret = mmc_add_host(mmc);
+	if (ret < 0)
+		goto mmc_add_host_fail;
+
 	rename_region(mem, mmc_hostname(mmc));
 
 	if (mmc->caps & MMC_CAP_8_BIT_DATA)
@@ -1324,8 +1324,6 @@ static int davinci_mmcsd_probe(struct platform_device *pdev)
 
 	return 0;
 
-request_irq_fail:
-	mmc_remove_host(mmc);
 mmc_add_host_fail:
 	mmc_davinci_cpufreq_deregister(host);
 cpu_freq_fail:
-- 
2.43.0


^ permalink raw reply related	[flat|nested] only message in thread

only message in thread, other threads:[~2026-05-10 16:30 UTC | newest]

Thread overview: (only message) (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2026-05-10 16:29 [PATCH] mmc: davinci: fix mmc_add_host order in probe Osama Abdelkader

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox