From: Nikita Shubin <nikita.shubin@xxxxxxxxxxx>
Replace ep93xx_chip_revision() with soc_device_match(), so
ep93xx_chip_revision() can be safetly dropped from exported functions.
Signed-off-by: Nikita Shubin <nikita.shubin@xxxxxxxxxxx>
---
drivers/ata/pata_ep93xx.c | 16 +++++++++++-----
1 file changed, 11 insertions(+), 5 deletions(-)
diff --git a/drivers/ata/pata_ep93xx.c b/drivers/ata/pata_ep93xx.c
index 4ce0f37c7a89..3f91b6cff353 100644
--- a/drivers/ata/pata_ep93xx.c
+++ b/drivers/ata/pata_ep93xx.c
@@ -40,6 +40,7 @@
#include <linux/ata.h>
#include <linux/libata.h>
#include <linux/platform_device.h>
+#include <linux/sys_soc.h>
#include <linux/delay.h>
#include <linux/dmaengine.h>
#include <linux/ktime.h>
@@ -910,6 +911,12 @@ static struct ata_port_operations ep93xx_pata_port_ops = {
.port_start = ep93xx_pata_port_start,
};
+static const struct soc_device_attribute ep93xx_soc_table[] = {
+ { .revision = "E1", .data = (void *)ATA_UDMA3 },
+ { .revision = "E2", .data = (void *)ATA_UDMA4 },
+ { /* sentinel */ }
+};
+
static int ep93xx_pata_probe(struct platform_device *pdev)
{
struct ep93xx_pata_data *drv_data;
@@ -976,12 +983,11 @@ static int ep93xx_pata_probe(struct platform_device *pdev)
* so this driver supports only UDMA modes.
*/
if (drv_data->dma_rx_channel && drv_data->dma_tx_channel) {
- int chip_rev = ep93xx_chip_revision();
+ const struct soc_device_attribute *match;
- if (chip_rev == EP93XX_CHIP_REV_E1)
- ap->udma_mask = ATA_UDMA3;
- else if (chip_rev == EP93XX_CHIP_REV_E2)
- ap->udma_mask = ATA_UDMA4;
+ match = soc_device_match(ep93xx_soc_table);
+ if (match)
+ ap->udma_mask = (unsigned int) match->data;
else
ap->udma_mask = ATA_UDMA2;
}
--
2.39.2
