From: Geert Uytterhoeven Date: Thu, 16 Apr 2020 10:14:18 +0000 (+0200) Subject: spi: spi-mem: Fix Dual/Quad modes on Octal-capable devices X-Git-Tag: block-5.8-2020-06-11~66^2^2~67 X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=80300a7d5f2d7178335652f41d2e55ba898b4ec1;p=linux-2.6-block.git spi: spi-mem: Fix Dual/Quad modes on Octal-capable devices Currently buswidths 2 and 4 are rejected for a device that advertises Octal capabilities. Allow these buswidths, just like is done for buswidth 2 and Quad-capable devices. Fixes: b12a084c8729ef42 ("spi: spi-mem: add support for octal mode I/O data transfer") Signed-off-by: Geert Uytterhoeven Link: https://lore.kernel.org/r/20200416101418.14379-1-geert+renesas@glider.be Signed-off-by: Mark Brown --- diff --git a/drivers/spi/spi-mem.c b/drivers/spi/spi-mem.c index adaa0c49f966..9a86cc27fcc0 100644 --- a/drivers/spi/spi-mem.c +++ b/drivers/spi/spi-mem.c @@ -108,15 +108,17 @@ static int spi_check_buswidth_req(struct spi_mem *mem, u8 buswidth, bool tx) return 0; case 2: - if ((tx && (mode & (SPI_TX_DUAL | SPI_TX_QUAD))) || - (!tx && (mode & (SPI_RX_DUAL | SPI_RX_QUAD)))) + if ((tx && + (mode & (SPI_TX_DUAL | SPI_TX_QUAD | SPI_TX_OCTAL))) || + (!tx && + (mode & (SPI_RX_DUAL | SPI_RX_QUAD | SPI_RX_OCTAL)))) return 0; break; case 4: - if ((tx && (mode & SPI_TX_QUAD)) || - (!tx && (mode & SPI_RX_QUAD))) + if ((tx && (mode & (SPI_TX_QUAD | SPI_TX_OCTAL))) || + (!tx && (mode & (SPI_RX_QUAD | SPI_RX_OCTAL)))) return 0; break;