From: Thomas Kopp Date: Mon, 21 Sep 2020 07:10:36 +0000 (+0200) Subject: spi: atmel: Exposing effective spi speed X-Git-Tag: howlett/maple_spf/20210104~626^2~43 X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=23f370c748580643d17b5e064478b89cba3fdc78;p=users%2Fjedix%2Flinux-maple.git spi: atmel: Exposing effective spi speed This patch implements the reporting of the effectively used speed_hz for the transfer by setting xfer->effective_speed_hz. See the following patch, which adds this feature to the SPI core for more information: commit 5d7e2b5ed585 ("spi: core: allow reporting the effectivly used speed_hz for a transfer") Signed-off-by: Thomas Kopp Reviewed-by: Tudor Ambarus Link: https://lore.kernel.org/r/20200921071036.2091-1-thomas.kopp@microchip.com Signed-off-by: Mark Brown --- diff --git a/drivers/spi/spi-atmel.c b/drivers/spi/spi-atmel.c index 7c68d5cdbdc6..ce5bd06d49b7 100644 --- a/drivers/spi/spi-atmel.c +++ b/drivers/spi/spi-atmel.c @@ -858,6 +858,7 @@ static int atmel_spi_set_xfer_speed(struct atmel_spi *as, csr = spi_readl(as, CSR0 + 4 * chip_select); csr = SPI_BFINS(SCBR, scbr, csr); spi_writel(as, CSR0 + 4 * chip_select, csr); + xfer->effective_speed_hz = bus_hz / scbr; return 0; }