]> git.proxmox.com Git - mirror_ubuntu-bionic-kernel.git/commit
mtd: spi-nor: fsl-quadspi: fix read error for flash size larger than 16MB
authorLiu Xiang <liu.xiang6@zte.com.cn>
Tue, 28 Aug 2018 14:32:57 +0000 (22:32 +0800)
committerJuerg Haefliger <juergh@canonical.com>
Wed, 24 Jul 2019 01:56:09 +0000 (19:56 -0600)
commit5b1d04a3aaa8eb473d1296f6c6ef0ff6e0c195c0
treeaa8ebcec86c11c495b3a5c0f5c0b20376231d355
parent04027ce83763170bddd2b086fe941f992c0d7002
mtd: spi-nor: fsl-quadspi: fix read error for flash size larger than 16MB

BugLink: https://bugs.launchpad.net/bugs/1836802
commit 41fe242979e463d6ad251077ded01b825a330b7e upstream.

If the size of spi-nor flash is larger than 16MB, the read_opcode
is set to SPINOR_OP_READ_1_1_4_4B, and fsl_qspi_get_seqid() will
return -EINVAL when cmd is SPINOR_OP_READ_1_1_4_4B. This can
cause read operation fail.

Fixes: e46ecda764dc ("mtd: spi-nor: Add Freescale QuadSPI driver")
Cc: <stable@vger.kernel.org>
Signed-off-by: Liu Xiang <liu.xiang6@zte.com.cn>
Signed-off-by: Boris Brezillon <boris.brezillon@bootlin.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Andrea Righi <andrea.righi@canonical.com>
Signed-off-by: Khalid Elmously <khalid.elmously@canonical.com>
drivers/mtd/spi-nor/fsl-quadspi.c