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charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-mtd" Errors-To: linux-mtd-bounces+linux-mtd=archiver.kernel.org@lists.infradead.org On 5/22/22 08:48, Jiaqing Zhao wrote: > [You don't often get email from jiaqing.zhao@linux.intel.com. Learn why this is important at https://aka.ms/LearnAboutSenderIdentification.] > > EXTERNAL EMAIL: Do not click links or open attachments unless you know the content is safe > > The Micron mt25ql02g supports x2 width dual mode operation. This patch > adds the SPI_NOR_DUAL_READ flag to its flash_info entry. can't the dual mode be retrieved from SFDP? Can you dump the sysfs sfdp table please? > > Signed-off-by: Jiaqing Zhao > --- > drivers/mtd/spi-nor/micron-st.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/mtd/spi-nor/micron-st.c b/drivers/mtd/spi-nor/micron-st.c > index 8a20475ce77a..da0251c1a263 100644 > --- a/drivers/mtd/spi-nor/micron-st.c > +++ b/drivers/mtd/spi-nor/micron-st.c > @@ -233,7 +233,7 @@ static const struct flash_info st_nor_parts[] = { > }, > { "mt25ql02g", INFO(0x20ba22, 0, 64 * 1024, 4096) > FLAGS(NO_CHIP_ERASE) > - NO_SFDP_FLAGS(SECT_4K | SPI_NOR_QUAD_READ) > + NO_SFDP_FLAGS(SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) > MFR_FLAGS(USE_FSR) > }, > { "mt25qu02g", INFO(0x20bb22, 0, 64 * 1024, 4096) > -- > 2.34.1 > ______________________________________________________ Linux MTD discussion mailing list http://lists.infradead.org/mailman/listinfo/linux-mtd/