From mboxrd@z Thu Jan 1 00:00:00 1970 From: drEagle Date: Wed, 26 Nov 2014 07:20:19 +0100 Subject: [U-Boot] [PATCH] mvebu_mmc: Speed up access time In-Reply-To: <1415043406-26618-1-git-send-email-mario.schuknecht@dresearch-fe.de> References: <1415043406-26618-1-git-send-email-mario.schuknecht@dresearch-fe.de> Message-ID: <54757123.9060001@doukki.net> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de Hi Mario, I test this patch but it is unsuccessfull with the seevaplug : After upgrade with U-Boot 2015.01-rc2-dirty (Nov 25 2014 - 08:10:39) Marvell-Sheevaplug Marvell>> mmc list MVEBU_MMC: 0 Marvell>> mmc part Marvell>> mmc dev 0 1 Card did not respond to voltage select! Marvell>> mmc rescan Marvell>> ext2ls mmc 0:1 ** Bad device mmc 0 ** Marvell>> The same master branch (without your patch) work as before... The udelay removal get the MVEBU_MMC driver bug with sheevaplug. Regards, G?rald Le 03/11/2014 20:36, Mario Schuknecht a ?crit : > Remove udelay, because card status is polled in a loop. > > Signed-off-by: Mario Schuknecht > --- > drivers/mmc/mvebu_mmc.c | 2 -- > 1 file changed, 2 deletions(-) > > diff --git a/drivers/mmc/mvebu_mmc.c b/drivers/mmc/mvebu_mmc.c > index 9f98c3f..2bf9444 100644 > --- a/drivers/mmc/mvebu_mmc.c > +++ b/drivers/mmc/mvebu_mmc.c > @@ -72,8 +72,6 @@ static int mvebu_mmc_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd, > debug("cmdidx [0x%x] resp_type[0x%x] cmdarg[0x%x]\n", > cmd->cmdidx, cmd->resp_type, cmd->cmdarg); > > - udelay(10*1000); > - > debug("%s: cmd %d (hw state 0x%04x)\n", DRIVER_NAME, > cmd->cmdidx, mvebu_mmc_read(SDIO_HW_STATE)); > > -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature Size: 473 bytes Desc: OpenPGP digital signature URL: