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Date: Tue, 25 Aug 2020 22:55:06 +0530 From: Vignesh Raghavendra <vigneshr@...com> To: Mark Brown <broonie@...nel.org> CC: Tudor Ambarus <tudor.ambarus@...rochip.com>, Ramuthevar Vadivel Murugan <vadivel.muruganx.ramuthevar@...ux.intel.com>, Vignesh Raghavendra <vigneshr@...com>, Jan Kiszka <jan.kiszka@...mens.com>, Boris Brezillon <boris.brezillon@...labora.com>, Pratyush Yadav <p.yadav@...com>, <linux-spi@...r.kernel.org>, <linux-kernel@...r.kernel.org> Subject: [PATCH] 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@...mens.com> Suggested-by: Boris Brezillon <boris.brezillon@...labora.com> Signed-off-by: Vignesh Raghavendra <vigneshr@...com> --- drivers/spi/spi-cadence-quadspi.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/drivers/spi/spi-cadence-quadspi.c b/drivers/spi/spi-cadence-quadspi.c index 1c1a9d17eec0d..508b219eabf80 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) -- 2.28.0
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