linux-kernel - [PATCH v10 2/5] spi: dw: Move dw_spi_can

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Message-ID: <20230509082244.1069623-3-joychakr@google.com>
Date:   Tue,  9 May 2023 08:22:41 +0000
From:   Joy Chakraborty <joychakr@...gle.com>
To:     Serge Semin <fancer.lancer@...il.com>,
        Mark Brown <broonie@...nel.org>,
        Andy Shevchenko <andriy.shevchenko@...el.com>
Cc:     linux-spi@...r.kernel.org, linux-kernel@...r.kernel.org,
        manugautam@...gle.com, rohitner@...gle.com,
        Joy Chakraborty <joychakr@...gle.com>
Subject: [PATCH v10 2/5] spi: dw: Move dw_spi_can_dma()

Move dw_spi_can_dma() implementation below dw_spi_dma_convert_width()
for handing compile dependency in future patches.

Signed-off-by: Joy Chakraborty <joychakr@...gle.com>
Reviewed-by: Serge Semin <fancer.lancer@...il.com>
Tested-by: Serge Semin <fancer.lancer@...il.com>
* tested on Baikal-T1 based system with DW SPI-looped back interface
transferring a chunk of data with DFS:8,12,16.
---
 drivers/spi/spi-dw-dma.c | 16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

diff --git a/drivers/spi/spi-dw-dma.c b/drivers/spi/spi-dw-dma.c
index c1b42cb59965..f19c092920a1 100644
--- a/drivers/spi/spi-dw-dma.c
+++ b/drivers/spi/spi-dw-dma.c
@@ -198,14 +198,6 @@ static irqreturn_t dw_spi_dma_transfer_handler(struct dw_spi *dws)
 	return IRQ_HANDLED;
 }
 
-static bool dw_spi_can_dma(struct spi_controller *master,
-			   struct spi_device *spi, struct spi_transfer *xfer)
-{
-	struct dw_spi *dws = spi_controller_get_devdata(master);
-
-	return xfer->len > dws->fifo_len;
-}
-
 static enum dma_slave_buswidth dw_spi_dma_convert_width(u8 n_bytes)
 {
 	switch (n_bytes) {
@@ -220,6 +212,14 @@ static enum dma_slave_buswidth dw_spi_dma_convert_width(u8 n_bytes)
 	}
 }
 
+static bool dw_spi_can_dma(struct spi_controller *master,
+			   struct spi_device *spi, struct spi_transfer *xfer)
+{
+	struct dw_spi *dws = spi_controller_get_devdata(master);
+
+	return xfer->len > dws->fifo_len;
+}
+
 static int dw_spi_dma_wait(struct dw_spi *dws, unsigned int len, u32 speed)
 {
 	unsigned long long ms;
-- 
2.40.1.521.gf1e218fcd8-goog