From 9a15efc5d5e6b5beaed0883e5bdcd0b1384c1b20 Mon Sep 17 00:00:00 2001 From: Miquel Raynal Date: Thu, 27 Jan 2022 10:18:00 +0100 Subject: spi: spi-mem: Kill the spi_mem_dtr_supports_op() helper Now that spi_mem_default_supports_op() has access to the static controller capabilities (relating to memory operations), and now that these capabilities have been filled by the relevant controllers, there is no need for a specific helper checking only DTR operations, so let's just kill spi_mem_dtr_supports_op() and simply use spi_mem_default_supports_op() instead. Signed-off-by: Miquel Raynal Reviewed-by: Pratyush Yadav Reviewed-by: Boris Brezillon Reviewed-by: Tudor Ambarus Link: https://lore.kernel.org/linux-mtd/20220127091808.1043392-6-miquel.raynal@bootlin.com --- drivers/spi/spi-cadence-quadspi.c | 5 +---- drivers/spi/spi-mem.c | 10 ---------- drivers/spi/spi-mxic.c | 10 +--------- 3 files changed, 2 insertions(+), 23 deletions(-) (limited to 'drivers/spi') diff --git a/drivers/spi/spi-cadence-quadspi.c b/drivers/spi/spi-cadence-quadspi.c index 455b90d1feed..b0c9f62ccefb 100644 --- a/drivers/spi/spi-cadence-quadspi.c +++ b/drivers/spi/spi-cadence-quadspi.c @@ -1441,10 +1441,7 @@ static bool cqspi_supports_mem_op(struct spi_mem *mem, if (!(all_true || all_false)) return false; - if (all_true) - return spi_mem_dtr_supports_op(mem, op); - else - return spi_mem_default_supports_op(mem, op); + return spi_mem_default_supports_op(mem, op); } static int cqspi_of_get_flash_pdata(struct platform_device *pdev, diff --git a/drivers/spi/spi-mem.c b/drivers/spi/spi-mem.c index 86e6597bc3dc..ed966d8129eb 100644 --- a/drivers/spi/spi-mem.c +++ b/drivers/spi/spi-mem.c @@ -160,16 +160,6 @@ static bool spi_mem_check_buswidth(struct spi_mem *mem, return true; } -bool spi_mem_dtr_supports_op(struct spi_mem *mem, - const struct spi_mem_op *op) -{ - if (op->cmd.nbytes != 2) - return false; - - return spi_mem_check_buswidth(mem, op); -} -EXPORT_SYMBOL_GPL(spi_mem_dtr_supports_op); - bool spi_mem_default_supports_op(struct spi_mem *mem, const struct spi_mem_op *op) { diff --git a/drivers/spi/spi-mxic.c b/drivers/spi/spi-mxic.c index 9952fcdf3627..6bec0a7c77d3 100644 --- a/drivers/spi/spi-mxic.c +++ b/drivers/spi/spi-mxic.c @@ -335,8 +335,6 @@ static int mxic_spi_data_xfer(struct mxic_spi *mxic, const void *txbuf, static bool mxic_spi_mem_supports_op(struct spi_mem *mem, const struct spi_mem_op *op) { - bool all_false; - if (op->data.buswidth > 8 || op->addr.buswidth > 8 || op->dummy.buswidth > 8 || op->cmd.buswidth > 8) return false; @@ -348,13 +346,7 @@ static bool mxic_spi_mem_supports_op(struct spi_mem *mem, if (op->addr.nbytes > 7) return false; - all_false = !op->cmd.dtr && !op->addr.dtr && !op->dummy.dtr && - !op->data.dtr; - - if (all_false) - return spi_mem_default_supports_op(mem, op); - else - return spi_mem_dtr_supports_op(mem, op); + return spi_mem_default_supports_op(mem, op); } static int mxic_spi_mem_exec_op(struct spi_mem *mem, -- cgit v1.2.3