From: Lars Povlsen <lars.povlsen@microchip.com>
To: Mark Brown <broonie@kernel.org>, SoC Team <soc@kernel.org>
Cc: Lars Povlsen <lars.povlsen@microchip.com>,
Microchip Linux Driver Support <UNGLinuxDriver@microchip.com>,
<linux-spi@vger.kernel.org>, <devicetree@vger.kernel.org>,
<linux-kernel@vger.kernel.org>,
<linux-arm-kernel@lists.infradead.org>,
Alexandre Belloni <alexandre.belloni@bootlin.com>
Subject: [PATCH 03/10] spi: dw: Add support for client driver memory operations
Date: Wed, 13 May 2020 16:00:24 +0200 [thread overview]
Message-ID: <20200513140031.25633-4-lars.povlsen@microchip.com> (raw)
In-Reply-To: <20200513140031.25633-1-lars.povlsen@microchip.com>
This minor change allow dw-spi drivers to register
spi_controller_mem_ops memory operations if the platform supports it.
Reviewed-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Lars Povlsen <lars.povlsen@microchip.com>
---
drivers/spi/spi-dw.c | 3 +++
drivers/spi/spi-dw.h | 2 ++
2 files changed, 5 insertions(+)
diff --git a/drivers/spi/spi-dw.c b/drivers/spi/spi-dw.c
index 32997f28fa5bb..d0c611c42421e 100644
--- a/drivers/spi/spi-dw.c
+++ b/drivers/spi/spi-dw.c
@@ -527,6 +527,9 @@ int dw_spi_add_host(struct device *dev, struct dw_spi *dws)
/* Basic HW init */
spi_hw_init(dev, dws);
+ /* Memory ops? */
+ master->mem_ops = dws->mem_ops;
+
if (dws->dma_ops && dws->dma_ops->dma_init) {
ret = dws->dma_ops->dma_init(dws);
if (ret) {
diff --git a/drivers/spi/spi-dw.h b/drivers/spi/spi-dw.h
index ed6e47b3f50da..8ecccbde10a20 100644
--- a/drivers/spi/spi-dw.h
+++ b/drivers/spi/spi-dw.h
@@ -3,6 +3,7 @@
#define DW_SPI_HEADER_H
#include <linux/io.h>
+#include <linux/spi/spi-mem.h>
#include <linux/scatterlist.h>
/* Register offsets */
@@ -116,6 +117,7 @@ struct dw_spi {
u16 bus_num;
u16 num_cs; /* supported slave numbers */
void (*set_cs)(struct spi_device *spi, bool enable);
+ const struct spi_controller_mem_ops *mem_ops;
/* Current message transfer state info */
size_t len;
--
2.26.2
next prev parent reply other threads:[~2020-05-13 14:00 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-13 14:00 [PATCH 00/10] spi: Adding support for Microchip Sparx5 SoC Lars Povlsen
2020-05-13 14:00 ` [PATCH 01/10] spi: dw: Add support for polled operation via no IRQ specified in DT Lars Povlsen
2020-05-13 14:55 ` Andy Shevchenko
2020-05-19 10:25 ` Lars Povlsen
[not found] ` <20200513142050.GH4803@sirena.org.uk>
2020-05-14 13:04 ` Serge Semin
2020-05-15 9:11 ` Lars Povlsen
[not found] ` <20200513143753.GI4803@sirena.org.uk>
2020-05-19 10:21 ` Lars Povlsen
2020-06-02 19:10 ` Serge Semin
2020-06-09 9:13 ` Lars Povlsen
2020-05-13 14:00 ` [PATCH 02/10] spi: dw: Add support for RX sample delay register Lars Povlsen
2020-06-02 19:39 ` Serge Semin
2020-06-09 10:04 ` Lars Povlsen
2020-05-13 14:00 ` Lars Povlsen [this message]
2020-05-13 14:00 ` [PATCH 04/10] dt-bindings: spi: Add bindings for spi-dw-mchp Lars Povlsen
[not found] ` <20200513145213.GJ4803@sirena.org.uk>
2020-05-19 11:47 ` Lars Povlsen
[not found] ` <20200519115829.GI4611@sirena.org.uk>
2020-05-19 12:10 ` Lars Povlsen
2020-06-02 19:49 ` Serge Semin
2020-06-09 10:27 ` Lars Povlsen
2020-05-13 14:00 ` [PATCH 05/10] spi: spi-dw-mmio: Spin off MSCC platforms into spi-dw-mchp Lars Povlsen
[not found] ` <20200513151811.GL4803@sirena.org.uk>
2020-05-19 12:05 ` Lars Povlsen
2020-06-02 21:12 ` Serge Semin
2020-06-10 14:28 ` Lars Povlsen
2020-05-13 14:00 ` [PATCH 06/10] dt-bindings: spi: spi-dw-mchp: Add Sparx5 support Lars Povlsen
2020-06-02 23:07 ` Serge Semin
2020-06-10 12:27 ` Lars Povlsen
2020-05-13 14:00 ` [PATCH 07/10] " Lars Povlsen
[not found] ` <20200514102516.GD5127@sirena.org.uk>
2020-05-19 9:29 ` Lars Povlsen
2020-06-02 23:22 ` Serge Semin
2020-05-13 14:00 ` [PATCH 08/10] arm64: dts: sparx5: Add SPI controller Lars Povlsen
2020-05-13 14:00 ` [PATCH 09/10] arm64: dts: sparx5: Add spi-nor support Lars Povlsen
2020-05-13 14:00 ` [PATCH 10/10] arm64: dts: sparx5: Add spi-nand devices Lars Povlsen
2020-05-29 16:21 ` [PATCH 00/10] spi: Adding support for Microchip Sparx5 SoC Serge Semin
2020-06-02 8:18 ` Lars Povlsen
2020-06-02 8:21 ` Serge Semin
2020-06-02 23:44 ` Serge Semin
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