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| author | Tim Harvey <tharvey@gateworks.com> | 2021-11-03 19:54:15 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-12-01 11:04:43 +0300 |
| commit | 4721b9ee049ac67785f2221f3bd56735187452dd (patch) | |
| tree | af690f067e8bf9a1ca2a8c6e0aa66e3d941f1a18 | |
| parent | 55bc4437762a6bcc8089e0639d2662e26e3629f6 (diff) | |
| download | linux-4721b9ee049ac67785f2221f3bd56735187452dd.tar.xz | |
mmc: sdhci-esdhc-imx: disable CMDQ support
commit adab993c25191b839b415781bdc7173a77315240 upstream.
On IMX SoC's which support CMDQ the following can occur during high a
high cpu load:
mmc2: cqhci: ============ CQHCI REGISTER DUMP ===========
mmc2: cqhci: Caps: 0x0000310a | Version: 0x00000510
mmc2: cqhci: Config: 0x00001001 | Control: 0x00000000
mmc2: cqhci: Int stat: 0x00000000 | Int enab: 0x00000006
mmc2: cqhci: Int sig: 0x00000006 | Int Coal: 0x00000000
mmc2: cqhci: TDL base: 0x8003f000 | TDL up32: 0x00000000
mmc2: cqhci: Doorbell: 0xbf01dfff | TCN: 0x00000000
mmc2: cqhci: Dev queue: 0x00000000 | Dev Pend: 0x08000000
mmc2: cqhci: Task clr: 0x00000000 | SSC1: 0x00011000
mmc2: cqhci: SSC2: 0x00000001 | DCMD rsp: 0x00000800
mmc2: cqhci: RED mask: 0xfdf9a080 | TERRI: 0x00000000
mmc2: cqhci: Resp idx: 0x0000000d | Resp arg: 0x00000000
mmc2: sdhci: ============ SDHCI REGISTER DUMP ===========
mmc2: sdhci: Sys addr: 0x7c722000 | Version: 0x00000002
mmc2: sdhci: Blk size: 0x00000200 | Blk cnt: 0x00000020
mmc2: sdhci: Argument: 0x00018000 | Trn mode: 0x00000023
mmc2: sdhci: Present: 0x01f88008 | Host ctl: 0x00000030
mmc2: sdhci: Power: 0x00000002 | Blk gap: 0x00000080
mmc2: sdhci: Wake-up: 0x00000008 | Clock: 0x0000000f
mmc2: sdhci: Timeout: 0x0000008f | Int stat: 0x00000000
mmc2: sdhci: Int enab: 0x107f4000 | Sig enab: 0x107f4000
mmc2: sdhci: ACmd stat: 0x00000000 | Slot int: 0x00000502
mmc2: sdhci: Caps: 0x07eb0000 | Caps_1: 0x8000b407
mmc2: sdhci: Cmd: 0x00000d1a | Max curr: 0x00ffffff
mmc2: sdhci: Resp[0]: 0x00000000 | Resp[1]: 0xffc003ff
mmc2: sdhci: Resp[2]: 0x328f5903 | Resp[3]: 0x00d07f01
mmc2: sdhci: Host ctl2: 0x00000088
mmc2: sdhci: ADMA Err: 0x00000000 | ADMA Ptr: 0xfe179020
mmc2: sdhci-esdhc-imx: ========= ESDHC IMX DEBUG STATUS DUMP ====
mmc2: sdhci-esdhc-imx: cmd debug status: 0x2120
mmc2: sdhci-esdhc-imx: data debug status: 0x2200
mmc2: sdhci-esdhc-imx: trans debug status: 0x2300
mmc2: sdhci-esdhc-imx: dma debug status: 0x2400
mmc2: sdhci-esdhc-imx: adma debug status: 0x2510
mmc2: sdhci-esdhc-imx: fifo debug status: 0x2680
mmc2: sdhci-esdhc-imx: async fifo debug status: 0x2750
mmc2: sdhci: ============================================
For now, disable CMDQ support on the imx8qm/imx8qxp/imx8mm until the
issue is found and resolved.
Fixes: bb6e358169bf6 ("mmc: sdhci-esdhc-imx: add CMDQ support")
Fixes: cde5e8e9ff146 ("mmc: sdhci-esdhc-imx: Add an new esdhc_soc_data for i.MX8MM")
Cc: stable@vger.kernel.org
Signed-off-by: Tim Harvey <tharvey@gateworks.com>
Reviewed-by: Haibo Chen <haibo.chen@nxp.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Link: https://lore.kernel.org/r/20211103165415.2016-1-tharvey@gateworks.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/mmc/host/sdhci-esdhc-imx.c | 2 |
1 files changed, 0 insertions, 2 deletions
diff --git a/drivers/mmc/host/sdhci-esdhc-imx.c b/drivers/mmc/host/sdhci-esdhc-imx.c index e658f0174242..60f19369de84 100644 --- a/drivers/mmc/host/sdhci-esdhc-imx.c +++ b/drivers/mmc/host/sdhci-esdhc-imx.c @@ -300,7 +300,6 @@ static struct esdhc_soc_data usdhc_imx8qxp_data = { .flags = ESDHC_FLAG_USDHC | ESDHC_FLAG_STD_TUNING | ESDHC_FLAG_HAVE_CAP1 | ESDHC_FLAG_HS200 | ESDHC_FLAG_HS400 | ESDHC_FLAG_HS400_ES - | ESDHC_FLAG_CQHCI | ESDHC_FLAG_STATE_LOST_IN_LPMODE | ESDHC_FLAG_CLK_RATE_LOST_IN_PM_RUNTIME, }; @@ -309,7 +308,6 @@ static struct esdhc_soc_data usdhc_imx8mm_data = { .flags = ESDHC_FLAG_USDHC | ESDHC_FLAG_STD_TUNING | ESDHC_FLAG_HAVE_CAP1 | ESDHC_FLAG_HS200 | ESDHC_FLAG_HS400 | ESDHC_FLAG_HS400_ES - | ESDHC_FLAG_CQHCI | ESDHC_FLAG_STATE_LOST_IN_LPMODE, }; |