]> git.proxmox.com Git - mirror_ubuntu-eoan-kernel.git/commitdiff
mmc: increase SD write timeout for crappy cards
authorPierre Ossman <drzeus@drzeus.cx>
Sun, 26 Oct 2008 11:37:25 +0000 (12:37 +0100)
committerPierre Ossman <drzeus@drzeus.cx>
Sat, 8 Nov 2008 20:36:59 +0000 (21:36 +0100)
It seems that some cards are slightly out of spec and occasionally
will not be able to complete a write in the alloted 250 ms [1].
Incease the timeout slightly to allow even these cards to function
properly.

[1] http://lkml.org/lkml/2008/9/23/390

Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
drivers/mmc/core/core.c

index 044d84eeed7c75f2775b27d3cb6b55630c08f688..f7284b905eb38c083882eaec993885aff5598b2c 100644 (file)
@@ -280,7 +280,11 @@ void mmc_set_data_timeout(struct mmc_data *data, const struct mmc_card *card)
                        (card->host->ios.clock / 1000);
 
                if (data->flags & MMC_DATA_WRITE)
-                       limit_us = 250000;
+                       /*
+                        * The limit is really 250 ms, but that is
+                        * insufficient for some crappy cards.
+                        */
+                       limit_us = 300000;
                else
                        limit_us = 100000;