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authorVignesh Raghavendra <vigneshr@ti.com>2020-08-25 22:55:06 +0530
committerMark Brown <broonie@kernel.org>2020-08-25 21:41:50 +0100
commit2ea370a9173f4a3c80b24221049359a5d1518bc0 (patch)
tree63042246367aea7e98a7e4c873664de333cf09f7 /drivers/spi/spi-cadence-quadspi.c
parent3cb5fcf1f3a5dfb7bc0305bb15971db04a0e51d4 (diff)
spi: spi-cadence-quadspi: Populate get_name() interface
Implement get_name() interface of spi_controller_mem_ops so as to avoid changing of mtd->name due to driver being moved over to spi-mem framework from SPI NOR. This avoids breaking of MTD cmdline args being passed by bootloaders which maybe using old driver name. Fixes: 31fb632b5d43c ("spi: Move cadence-quadspi driver to drivers/spi/") Reported-by: Jan Kiszka <jan.kiszka@siemens.com> Suggested-by: Boris Brezillon <boris.brezillon@collabora.com> Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com> Link: https://lore.kernel.org/r/20200825172506.14375-1-vigneshr@ti.com Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'drivers/spi/spi-cadence-quadspi.c')
-rw-r--r--drivers/spi/spi-cadence-quadspi.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/spi/spi-cadence-quadspi.c b/drivers/spi/spi-cadence-quadspi.c
index 1c1a9d17eec0..508b219eabf8 100644
--- a/drivers/spi/spi-cadence-quadspi.c
+++ b/drivers/spi/spi-cadence-quadspi.c
@@ -1128,8 +1128,17 @@ static int cqspi_request_mmap_dma(struct cqspi_st *cqspi)
return 0;
}
+static const char *cqspi_get_name(struct spi_mem *mem)
+{
+ struct cqspi_st *cqspi = spi_master_get_devdata(mem->spi->master);
+ struct device *dev = &cqspi->pdev->dev;
+
+ return devm_kasprintf(dev, GFP_KERNEL, "%s.%d", dev_name(dev), mem->spi->chip_select);
+}
+
static const struct spi_controller_mem_ops cqspi_mem_ops = {
.exec_op = cqspi_exec_mem_op,
+ .get_name = cqspi_get_name,
};
static int cqspi_setup_flash(struct cqspi_st *cqspi)