Messages in this thread | | | Subject | Re: [PATCH] mmc: core: MMC_CAP2_HS200_1_8V_SDR with mmc-hs400-1_8v | From | Chris Ruehl <> | Date | Tue, 1 Dec 2020 16:59:33 +0800 |
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Hi,
I have to callback my patch, The mmc.c logic needs the MMC_CAP2_HS200_1_8V_SDR in the current implementation.
If I want to precise use mmc-hs400-1_8v or mmc-hs200-1_8v have their explicit code-path its needs a bigger effort.
On it.
@Avri Altman , I have to reject your ACK. :)
Chris
On 29/11/2020 8:28 pm, Avri Altman wrote: > >> This patch remove the MMC_CAP2_HS200_1_8V_SDR capacity from >> host->cap2 when the dt property mmc-hs400-1v8 set. It cause >> error and occasionally hang on boot and reboot. >> Board with this issue: rk3399 with SanDisk DG4008 eMMC. >> >> This patch did not change the mmc-hs400-1_2v host->cap2 >> added the MMC_CAP2_HS200_1_2V_SDR. >> >> Log shows a boot process with a HS400 5.1 capable SanDisk 8G >> with mmc-hs400-1_8v dt property and the MMC_CAP2_HS200_1_8V_SDR >> append to the host->cap2. >> >> [ 1.775721] mmc1: CQHCI version 5.10 >> [ 1.802342] mmc1: SDHCI controller on fe330000.sdhci [fe330000.sdhci] >> using ADMA >> [ 2.007581] mmc1: mmc_select_hs200 failed, error -110 >> [ 2.007589] mmc1: error -110 whilst initialising MMC card >> [ 2.413559] mmc1: mmc_select_hs200 failed, error -110 >> [ 2.413562] mmc1: error -110 whilst initialising MMC card >> [ 3.183343] mmc1: Command Queue Engine enabled >> [ 3.183355] mmc1: new HS400 MMC card at address 0001 >> [ 3.197163] mmcblk1: mmc1:0001 DG4008 7.28 GiB >> [ 3.197256] mmcblk1boot0: mmc1:0001 DG4008 partition 1 4.00 MiB >> [ 3.197360] mmcblk1boot1: mmc1:0001 DG4008 partition 2 4.00 MiB >> [ 3.197479] mmcblk1rpmb: mmc1:0001 DG4008 partition 3 4.00 MiB, chardev >> (242:0) >> >> after patch applied >> [ 1.746691] mmc1: CQHCI version 5.10 >> [ 1.773316] mmc1: SDHCI controller on fe330000.sdhci [fe330000.sdhci] >> using ADMA >> [ 1.858410] mmc1: Command Queue Engine enabled >> [ 1.858418] mmc1: new HS400 MMC card at address 0001 >> [ 1.858897] mmcblk1: mmc1:0001 DG4008 7.28 GiB >> [ 1.859002] mmcblk1boot0: mmc1:0001 DG4008 partition 1 4.00 MiB >> [ 1.859097] mmcblk1boot1: mmc1:0001 DG4008 partition 2 4.00 MiB >> [ 1.859182] mmcblk1rpmb: mmc1:0001 DG4008 partition 3 4.00 MiB, chardev >> (242:0) >> >> Fixes: c373eb489b27b mmc: core: add DT bindings for eMMC HS400 1.8/1.2V >> >> Signed-off-by: Chris Ruehl <chris.ruehl@gtsys.com.hk> > Acked-by: Avri Altman <avri.altman@wdc.com> >
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