[PATCH v2 1/4] phy: cadence-torrent: Migrate to clk_hw based registration and OF APIs

Swapnil Jakhade
2021-09-22T12:38:03Z

Use clk_hw based provider APIs to register clks to remove the usage of
deprecated APIs.

Signed-off-by: Swapnil Jakhade <sjakhade@cadence.com>
---
drivers/phy/cadence/phy-cadence-torrent.c | 30 ++++++++++++++---------
1 file changed, 19 insertions(+), 11 deletions(-)

diff --git a/drivers/phy/cadence/phy-cadence-torrent.c b/drivers/phy/cadence/phy-cadence-torrent.c
index 415ace64adc5..ecb1aa883c05 100644
--- a/drivers/phy/cadence/phy-cadence-torrent.c
+++ b/drivers/phy/cadence/phy-cadence-torrent.c
@@ -235,6 +235,8 @@
#define PHY_PMA_CMN_CTRL2 0x0001U
#define PHY_PMA_PLL_RAW_CTRL 0x0003U

+#define CDNS_TORRENT_OUTPUT_CLOCKS 1
+
static const char * const clk_names[] = {
[CDNS_TORRENT_REFCLK_DRIVER] = "refclk-driver",
};
@@ -333,8 +335,7 @@ struct cdns_torrent_phy {
struct regmap_field *phy_pma_pll_raw_ctrl;
struct regmap_field *phy_reset_ctrl;
struct regmap_field *phy_pcs_iso_link_ctrl_1[MAX_NUM_LANES];
- struct clk *clks[CDNS_TORRENT_REFCLK_DRIVER + 1];
- struct clk_onecell_data clk_data;
+ struct clk_hw_onecell_data *clk_hw_data;
};

enum phy_powerstate {
@@ -1659,8 +1660,9 @@ static int cdns_torrent_derived_refclk_register(struct cdns_torrent_phy *cdns_ph
const char *parent_name;
struct regmap *regmap;
char clk_name[100];
+ struct clk_hw *hw;
struct clk *clk;
- int i;
+ int i, ret;

derived_refclk = devm_kzalloc(dev, sizeof(*derived_refclk), GFP_KERNEL);
if (!derived_refclk)
@@ -1706,11 +1708,12 @@ static int cdns_torrent_derived_refclk_register(struct cdns_torrent_phy *cdns_ph

derived_refclk->hw.init = init;

- clk = devm_clk_register(dev, &derived_refclk->hw);
- if (IS_ERR(clk))
- return PTR_ERR(clk);
+ hw = &derived_refclk->hw;
+ ret = devm_clk_hw_register(dev, hw);
+ if (ret)
+ return ret;

- cdns_phy->clks[CDNS_TORRENT_REFCLK_DRIVER] = clk;
+ cdns_phy->clk_hw_data->hws[CDNS_TORRENT_REFCLK_DRIVER] = hw;

return 0;
}
@@ -2188,18 +2191,23 @@ static int cdns_torrent_clk_register(struct cdns_torrent_phy *cdns_phy)
{
struct device *dev = cdns_phy->dev;
struct device_node *node = dev->of_node;
+ struct clk_hw_onecell_data *data;
int ret;

+ data = devm_kzalloc(dev, struct_size(data, hws, CDNS_TORRENT_OUTPUT_CLOCKS), GFP_KERNEL);
+ if (!data)
+ return -ENOMEM;
+
+ data->num = CDNS_TORRENT_OUTPUT_CLOCKS;
+ cdns_phy->clk_hw_data = data;
+
ret = cdns_torrent_derived_refclk_register(cdns_phy);
if (ret) {
dev_err(dev, "failed to register derived refclk\n");
return ret;
}

- cdns_phy->clk_data.clks = cdns_phy->clks;
- cdns_phy->clk_data.clk_num = CDNS_TORRENT_REFCLK_DRIVER + 1;
-
- ret = of_clk_add_provider(node, of_clk_src_onecell_get, &cdns_phy->clk_data);
+ ret = of_clk_add_hw_provider(node, of_clk_hw_onecell_get, data);
if (ret) {
dev_err(dev, "Failed to add clock provider: %s\n", node->name);