Hello!
On 3/22/2017 9:20 PM, Bartlomiej Zolnierkiewicz wrote:
Add Palmchip BK3710 PATA controller driver.
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@xxxxxxxxxxx>
[...]
diff --git a/drivers/ata/pata_bk3710.c b/drivers/ata/pata_bk3710.c
new file mode 100644
index 0000000..1a1223f
--- /dev/null
+++ b/drivers/ata/pata_bk3710.c
@@ -0,0 +1,382 @@
[...]
+static int __init pata_bk3710_probe(struct platform_device *pdev)
+{
+ struct clk *clk;
+ struct resource *mem;
+ struct ata_host *host;
+ struct ata_port *ap;
+ void __iomem *base;
+ unsigned long rate;
+ int irq;
+
+ clk = devm_clk_get(&pdev->dev, NULL);
+ if (IS_ERR(clk))
+ return -ENODEV;
+
+ clk_enable(clk);
+ rate = clk_get_rate(clk);
+ if (!rate)
+ return -EINVAL;
+
+ /* NOTE: round *down* to meet minimum timings; we count in clocks */
+ ideclk_period = 1000000000UL / rate;
+
+ mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
I'd put this close to devm_iorempe_resource() and would probably even get
rid of 'mem' altogether...
[...]
Acked-by: Sergei Shtylyov <sergei.shtylyov@xxxxxxxxxxxxxxxxxx>
MBR, Sergei
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