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clk: mvebu: armada-37xx-periph: save the IP base address in the driver data 

Prepare the introduction of suspend/resume hooks by having an easy way
to access all the registers in one go just from a device: add the IP
base address in the driver data.

Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
This commit is contained in:
Miquel Raynal 2018-07-13 15:44:45 +02:00 committed by Stephen Boyd
parent 5b394b2ddf
commit d9d95e78cf
1 changed files with 7 additions and 8 deletions
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15
drivers/clk/mvebu/armada-37xx-periph.c
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@ -56,6 +56,7 @@
struct clk_periph_driver_data {
struct clk_hw_onecell_data *hw_data;
spinlock_t lock;
void __iomem *reg;
};
struct clk_double_div {
@ -680,7 +681,6 @@ static int armada_3700_periph_clock_probe(struct platform_device *pdev)
struct device *dev = &pdev->dev;
int num_periph = 0, i, ret;
struct resource *res;
void __iomem *reg;
data = of_device_get_match_data(dev);
if (!data)
@ -689,11 +689,6 @@ static int armada_3700_periph_clock_probe(struct platform_device *pdev)
while (data[num_periph].name)
num_periph++;
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
reg = devm_ioremap_resource(dev, res);
if (IS_ERR(reg))
return PTR_ERR(reg);
driver_data = devm_kzalloc(dev, sizeof(*driver_data), GFP_KERNEL);
if (!driver_data)
return -ENOMEM;
@ -706,12 +701,16 @@ static int armada_3700_periph_clock_probe(struct platform_device *pdev)
return -ENOMEM;
driver_data->hw_data->num = num_periph;
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
driver_data->reg = devm_ioremap_resource(dev, res);
if (IS_ERR(driver_data->reg))
return PTR_ERR(driver_data->reg);
spin_lock_init(&driver_data->lock);
for (i = 0; i < num_periph; i++) {
struct clk_hw **hw = &driver_data->hw_data->hws[i];
if (armada_3700_add_composite_clk(&data[i], reg,
if (armada_3700_add_composite_clk(&data[i], driver_data->reg,
&driver_data->lock, dev, hw))
dev_err(dev, "Can't register periph clock %s\n",
data[i].name);