Re: [PATCH 1/3] usb: phy-generic: Add GPIO based ChipSelect

From: Chris Ruehl
Date: Sun Dec 08 2013 - 20:45:43 EST


On Saturday, December 07, 2013 04:24 AM, Felipe Balbi wrote:
Hi,

On Mon, Dec 02, 2013 at 03:05:17PM +0800, Chris Ruehl wrote:
@@ -231,27 +249,40 @@ static int usb_phy_gen_xceiv_probe(struct platform_device *pdev)
return -ENOMEM;

nop->reset_active_low = true; /* default behaviour */
+ nop->cs_active_low = true;

if (dev->of_node) {
struct device_node *node = dev->of_node;
enum of_gpio_flags flags;
+ enum of_gpio_flags csflags;

if (of_property_read_u32(node, "clock-frequency",&clk_rate))
clk_rate = 0;

needs_vcc = of_property_read_bool(node, "vcc-supply");
+
nop->gpio_reset = of_get_named_gpio_flags(node, "reset-gpios",
0,&flags);
+

two unrelated changes

if (nop->gpio_reset == -EPROBE_DEFER)
return -EPROBE_DEFER;

nop->reset_active_low = flags& OF_GPIO_ACTIVE_LOW;

+ nop->gpio_chipselect = of_get_named_gpio_flags(node, "cs-gpios",
+ 0,&csflags);
+ if (gpio_is_valid(nop->gpio_chipselect))
+ nop->cs_active_low = csflags& OF_GPIO_ACTIVE_LOW;
+
} else if (pdata) {
type = pdata->type;
clk_rate = pdata->clk_rate;
needs_vcc = pdata->needs_vcc;
nop->gpio_reset = pdata->gpio_reset;
+ nop->gpio_chipselect = pdata->gpio_chipselect;
+ } else {
+ nop->gpio_reset = -1;

This line is already going upstream, please remove it, i'll handle the
conflict later.


Beause the rest of the patch set is not ready to make it in the upstream, I will checkout latest linux-next and send the patch again as a single patch.

thanks
Chris
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