diff options
Diffstat (limited to 'drivers/clk')
| -rw-r--r-- | drivers/clk/clk-scmi.c | 28 |
1 files changed, 18 insertions, 10 deletions
diff --git a/drivers/clk/clk-scmi.c b/drivers/clk/clk-scmi.c index c754dfbb73fd..1e357d364ca2 100644 --- a/drivers/clk/clk-scmi.c +++ b/drivers/clk/clk-scmi.c @@ -2,7 +2,7 @@ /* * System Control and Power Interface (SCMI) Protocol based clock driver * - * Copyright (C) 2018 ARM Ltd. + * Copyright (C) 2018-2021 ARM Ltd. */ #include <linux/clk-provider.h> @@ -13,11 +13,13 @@ #include <linux/scmi_protocol.h> #include <asm/div64.h> +static const struct scmi_clk_proto_ops *scmi_proto_clk_ops; + struct scmi_clk { u32 id; struct clk_hw hw; const struct scmi_clock_info *info; - const struct scmi_handle *handle; + const struct scmi_protocol_handle *ph; }; #define to_scmi_clk(clk) container_of(clk, struct scmi_clk, hw) @@ -29,7 +31,7 @@ static unsigned long scmi_clk_recalc_rate(struct clk_hw *hw, u64 rate; struct scmi_clk *clk = to_scmi_clk(hw); - ret = clk->handle->clk_ops->rate_get(clk->handle, clk->id, &rate); + ret = scmi_proto_clk_ops->rate_get(clk->ph, clk->id, &rate); if (ret) return 0; return rate; @@ -69,21 +71,21 @@ static int scmi_clk_set_rate(struct clk_hw *hw, unsigned long rate, { struct scmi_clk *clk = to_scmi_clk(hw); - return clk->handle->clk_ops->rate_set(clk->handle, clk->id, rate); + return scmi_proto_clk_ops->rate_set(clk->ph, clk->id, rate); } static int scmi_clk_enable(struct clk_hw *hw) { struct scmi_clk *clk = to_scmi_clk(hw); - return clk->handle->clk_ops->enable(clk->handle, clk->id); + return scmi_proto_clk_ops->enable(clk->ph, clk->id); } static void scmi_clk_disable(struct clk_hw *hw) { struct scmi_clk *clk = to_scmi_clk(hw); - clk->handle->clk_ops->disable(clk->handle, clk->id); + scmi_proto_clk_ops->disable(clk->ph, clk->id); } static const struct clk_ops scmi_clk_ops = { @@ -142,11 +144,17 @@ static int scmi_clocks_probe(struct scmi_device *sdev) struct device *dev = &sdev->dev; struct device_node *np = dev->of_node; const struct scmi_handle *handle = sdev->handle; + struct scmi_protocol_handle *ph; - if (!handle || !handle->clk_ops) + if (!handle) return -ENODEV; - count = handle->clk_ops->count_get(handle); + scmi_proto_clk_ops = + handle->devm_protocol_get(sdev, SCMI_PROTOCOL_CLOCK, &ph); + if (IS_ERR(scmi_proto_clk_ops)) + return PTR_ERR(scmi_proto_clk_ops); + + count = scmi_proto_clk_ops->count_get(ph); if (count < 0) { dev_err(dev, "%pOFn: invalid clock output count\n", np); return -EINVAL; @@ -167,14 +175,14 @@ static int scmi_clocks_probe(struct scmi_device *sdev) if (!sclk) return -ENOMEM; - sclk->info = handle->clk_ops->info_get(handle, idx); + sclk->info = scmi_proto_clk_ops->info_get(ph, idx); if (!sclk->info) { dev_dbg(dev, "invalid clock info for idx %d\n", idx); continue; } sclk->id = idx; - sclk->handle = handle; + sclk->ph = ph; err = scmi_clk_ops_init(dev, sclk); if (err) { |