Commitdbe7dc6

dirkbehme

authored and

storulf

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mmc: core: Disable HPI for certain Micron (Numonyx) eMMC cards

Certain Micron eMMC v4.5 cards might get broken when HPI feature is usedand hence this patch disables the HPI feature for such buggy cards.In U-Boot, these cards are reported asManufacturer: Micron (ID: 0xFE)OEM: 0x4EName: MMC32GRevision: 19 (0x13)Serial: 959241022 Manufact. date: 8/2015 (0x82) CRC: 0x00Tran Speed: 52000000Rd Block Len: 512MMC version 4.5High Capacity: YesCapacity: 29.1 GiBBoot Partition Size: 16 MiBBus Width: 8-bitAccording to JEDEC JEP106 manufacturer 0xFE is Numonyx, which was bought byMicron.Signed-off-by: Dirk Behme <dirk.behme@de.bosch.com>Signed-off-by: Mark Craske <Mark_Craske@mentor.com>Cc: <stable@vger.kernel.org> # 4.8+Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>

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drivers/mmc/core
- card.h
- quirks.h

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`‎drivers/mmc/core/card.h‎`

Lines changed: 1 addition & 0 deletions

Original file line number	Diff line number	Diff line change
`@@ -82,6 +82,7 @@ struct mmc_fixup {`
`82`	`82`	`#defineCID_MANFID_APACER 0x27`
`83`	`83`	`#defineCID_MANFID_KINGSTON 0x70`
`84`	`84`	`#defineCID_MANFID_HYNIX0x90`
	`85`	`+#defineCID_MANFID_NUMONYX0xFE`
`85`	`86`
`86`	`87`	`#defineEND_FIXUP { NULL }`
`87`	`88`

`‎drivers/mmc/core/quirks.h‎`

Lines changed: 6 additions & 0 deletions

Original file line number	Diff line number	Diff line change
`@@ -109,6 +109,12 @@ static const struct mmc_fixup mmc_ext_csd_fixups[] = {`
`109`	`109`	`*/`
`110`	`110`	`MMC_FIXUP_EXT_CSD_REV(CID_NAME_ANY,CID_MANFID_HYNIX,`
`111`	`111`	`0x014a,add_quirk,MMC_QUIRK_BROKEN_HPI,5),`
	`112`	`+/*`
	`113`	`+ * Certain Micron (Numonyx) eMMC 4.5 cards might get broken when HPI`
	`114`	`+ * feature is used so disable the HPI feature for such buggy cards.`
	`115`	`+ */`
	`116`	`+MMC_FIXUP_EXT_CSD_REV(CID_NAME_ANY,CID_MANFID_NUMONYX,`
	`117`	`+0x014e,add_quirk,MMC_QUIRK_BROKEN_HPI,6),`
`112`	`118`
`113`	`119`	`END_FIXUP`
`114`	`120`	`};`

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Commitdbe7dc6

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`‎drivers/mmc/core/card.h‎`

`‎drivers/mmc/core/quirks.h‎`

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