mirror of
https://github.com/openwrt/openwrt.git
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38 lines
1.1 KiB
Diff
38 lines
1.1 KiB
Diff
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--- a/drivers/net/ethernet/davicom/dm9000.c
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+++ b/drivers/net/ethernet/davicom/dm9000.c
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@@ -39,6 +39,7 @@
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#include <linux/regulator/consumer.h>
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#include <linux/gpio.h>
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#include <linux/of_gpio.h>
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+#include <linux/clk.h>
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#include <asm/delay.h>
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#include <asm/irq.h>
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@@ -1436,6 +1437,7 @@ dm9000_probe(struct platform_device *pde
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enum of_gpio_flags flags;
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struct regulator *power;
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bool inv_mac_addr = false;
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+ const char *clk_name;
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power = devm_regulator_get(dev, "vcc");
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if (IS_ERR(power)) {
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@@ -1573,6 +1575,18 @@ dm9000_probe(struct platform_device *pde
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goto out;
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}
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+ /* Enable clock if specified */
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+ if (!of_property_read_string(dev->of_node, "clock-names", &clk_name)) {
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+ struct clk *clk = devm_clk_get(dev, clk_name);
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+ if (IS_ERR(clk)) {
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+ dev_err(dev, "cannot get clock of %s\n", clk_name);
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+ ret = PTR_ERR(clk);
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+ goto out;
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+ }
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+ clk_prepare_enable(clk);
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+ dev_info(dev, "enable clock '%s'\n", clk_name);
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+ }
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+
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/* fill in parameters for net-dev structure */
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ndev->base_addr = (unsigned long)db->io_addr;
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