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From: "Pali Rohár" <pali@kernel.org>
To: Ulf Hansson <ulf.hansson@linaro.org>
Cc: linux-mmc@vger.kernel.org, linux-kernel@vger.kernel.org,
	"Marek Behún" <marek.behun@nic.cz>
Subject: [PATCH 1/2] mmc: core: Do not export MMC_NAME= and MODALIAS=mmc:block for SDIO cards
Date: Tue, 26 May 2020 17:43:33 +0200	[thread overview]
Message-ID: <20200526154334.21222-1-pali@kernel.org> (raw)

SDIO non-combo cards are not handled by mmc_block driver and do not have
accessible CID register which is used for MMC_NAME= construction.

Signed-off-by: Pali Rohár <pali@kernel.org>
Reviewed-by: Marek Behún <marek.behun@nic.cz>
---
 drivers/mmc/core/bus.c | 23 ++++++++++++++---------
 1 file changed, 14 insertions(+), 9 deletions(-)

diff --git a/drivers/mmc/core/bus.c b/drivers/mmc/core/bus.c
index 74de3f2dd..103eea7cd 100644
--- a/drivers/mmc/core/bus.c
+++ b/drivers/mmc/core/bus.c
@@ -93,15 +93,20 @@ mmc_bus_uevent(struct device *dev, struct kobj_uevent_env *env)
 			return retval;
 	}
 
-	retval = add_uevent_var(env, "MMC_NAME=%s", mmc_card_name(card));
-	if (retval)
-		return retval;
-
-	/*
-	 * Request the mmc_block device.  Note: that this is a direct request
-	 * for the module it carries no information as to what is inserted.
-	 */
-	retval = add_uevent_var(env, "MODALIAS=mmc:block");
+	if (card->type != MMC_TYPE_SDIO) {
+		retval = add_uevent_var(env, "MMC_NAME=%s", mmc_card_name(card));
+		if (retval)
+			return retval;
+
+		/*
+		 * Request the mmc_block device.
+		 * Note: that this is a direct request for the module it carries
+		 * no information as to what is inserted.
+		 */
+		retval = add_uevent_var(env, "MODALIAS=mmc:block");
+		if (retval)
+			return retval;
+	}
 
 	return retval;
 }
-- 
2.20.1


             reply	other threads:[~2020-05-26 15:43 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-05-26 15:43 Pali Rohár [this message]
2020-05-26 15:43 ` [PATCH 2/2] mmc: core: Export device/vendor ids from Common CIS for SDIO cards Pali Rohár
2020-05-27  7:39   ` Ulf Hansson
2020-05-27  8:00     ` Pali Rohár
2020-05-27  8:13       ` Ulf Hansson
2020-05-27 11:08   ` [PATCH v2 1/2] mmc: core: Do not export MMC_NAME= and MODALIAS=mmc:block " Pali Rohár
2020-05-27 11:08     ` [PATCH v2 2/2] mmc: core: Export device/vendor ids from Common CIS " Pali Rohár
2020-05-28 10:14       ` Ulf Hansson
2020-05-28 10:14     ` [PATCH v2 1/2] mmc: core: Do not export MMC_NAME= and MODALIAS=mmc:block " Ulf Hansson
2020-05-27  7:34 ` [PATCH " Ulf Hansson

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