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path: root/drivers/net/dsa/b53/b53_spi.c
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Diffstat (limited to 'drivers/net/dsa/b53/b53_spi.c')
-rw-r--r--drivers/net/dsa/b53/b53_spi.c69
1 files changed, 58 insertions, 11 deletions
diff --git a/drivers/net/dsa/b53/b53_spi.c b/drivers/net/dsa/b53/b53_spi.c
index f89f5308a99b..467da057579e 100644
--- a/drivers/net/dsa/b53/b53_spi.c
+++ b/drivers/net/dsa/b53/b53_spi.c
@@ -16,7 +16,7 @@
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
-#include <asm/unaligned.h>
+#include <linux/unaligned.h>
#include <linux/delay.h>
#include <linux/kernel.h>
@@ -145,42 +145,52 @@ static int b53_spi_read8(struct b53_device *dev, u8 page, u8 reg, u8 *val)
static int b53_spi_read16(struct b53_device *dev, u8 page, u8 reg, u16 *val)
{
- int ret = b53_spi_read(dev, page, reg, (u8 *)val, 2);
+ __le16 value;
+ int ret;
+
+ ret = b53_spi_read(dev, page, reg, (u8 *)&value, 2);
if (!ret)
- *val = le16_to_cpu(*val);
+ *val = le16_to_cpu(value);
return ret;
}
static int b53_spi_read32(struct b53_device *dev, u8 page, u8 reg, u32 *val)
{
- int ret = b53_spi_read(dev, page, reg, (u8 *)val, 4);
+ __le32 value;
+ int ret;
+
+ ret = b53_spi_read(dev, page, reg, (u8 *)&value, 4);
if (!ret)
- *val = le32_to_cpu(*val);
+ *val = le32_to_cpu(value);
return ret;
}
static int b53_spi_read48(struct b53_device *dev, u8 page, u8 reg, u64 *val)
{
+ __le64 value;
int ret;
*val = 0;
- ret = b53_spi_read(dev, page, reg, (u8 *)val, 6);
+ ret = b53_spi_read(dev, page, reg, (u8 *)&value, 6);
if (!ret)
- *val = le64_to_cpu(*val);
+ *val = le64_to_cpu(value);
return ret;
}
static int b53_spi_read64(struct b53_device *dev, u8 page, u8 reg, u64 *val)
{
- int ret = b53_spi_read(dev, page, reg, (u8 *)val, 8);
+ __le64 value;
+ int ret;
+
+ ret = b53_spi_read(dev, page, reg, (u8 *)&value, 8);
if (!ret)
- *val = le64_to_cpu(*val);
+ *val = le64_to_cpu(value);
return ret;
}
@@ -304,22 +314,59 @@ static int b53_spi_probe(struct spi_device *spi)
return 0;
}
-static int b53_spi_remove(struct spi_device *spi)
+static void b53_spi_remove(struct spi_device *spi)
{
struct b53_device *dev = spi_get_drvdata(spi);
if (dev)
b53_switch_remove(dev);
+}
- return 0;
+static void b53_spi_shutdown(struct spi_device *spi)
+{
+ struct b53_device *dev = spi_get_drvdata(spi);
+
+ if (dev)
+ b53_switch_shutdown(dev);
+
+ spi_set_drvdata(spi, NULL);
}
+static const struct of_device_id b53_spi_of_match[] = {
+ { .compatible = "brcm,bcm5325" },
+ { .compatible = "brcm,bcm5365" },
+ { .compatible = "brcm,bcm5395" },
+ { .compatible = "brcm,bcm5397" },
+ { .compatible = "brcm,bcm5398" },
+ { .compatible = "brcm,bcm53115" },
+ { .compatible = "brcm,bcm53125" },
+ { .compatible = "brcm,bcm53128" },
+ { /* sentinel */ }
+};
+MODULE_DEVICE_TABLE(of, b53_spi_of_match);
+
+static const struct spi_device_id b53_spi_ids[] = {
+ { .name = "bcm5325" },
+ { .name = "bcm5365" },
+ { .name = "bcm5395" },
+ { .name = "bcm5397" },
+ { .name = "bcm5398" },
+ { .name = "bcm53115" },
+ { .name = "bcm53125" },
+ { .name = "bcm53128" },
+ { /* sentinel */ }
+};
+MODULE_DEVICE_TABLE(spi, b53_spi_ids);
+
static struct spi_driver b53_spi_driver = {
.driver = {
.name = "b53-switch",
+ .of_match_table = b53_spi_of_match,
},
.probe = b53_spi_probe,
.remove = b53_spi_remove,
+ .shutdown = b53_spi_shutdown,
+ .id_table = b53_spi_ids,
};
module_spi_driver(b53_spi_driver);