diff options
| author | Frank Li <Frank.Li@nxp.com> | 2025-11-03 16:48:30 -0500 |
|---|---|---|
| committer | Will Deacon <will@kernel.org> | 2025-11-24 15:39:05 +0000 |
| commit | 037e8cf671780426254fbacdca80d1d01c806844 (patch) | |
| tree | 2f8d7924a542e20a4db583efb6f5926d582dcb97 /drivers/perf/fsl_imx8_ddr_perf.c | |
| parent | 66db99ffdfcb034d6fae212f2f473a82a842795f (diff) | |
perf/imx_ddr: Get and enable optional clks
Get and enable optional clks because fsl,imx8dxl-db-pmu have two clocks.
Signed-off-by: Frank Li <Frank.Li@nxp.com>
Signed-off-by: Will Deacon <will@kernel.org>
Diffstat (limited to 'drivers/perf/fsl_imx8_ddr_perf.c')
| -rw-r--r-- | drivers/perf/fsl_imx8_ddr_perf.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/perf/fsl_imx8_ddr_perf.c b/drivers/perf/fsl_imx8_ddr_perf.c index 5ba34c606213..2a8426a74af9 100644 --- a/drivers/perf/fsl_imx8_ddr_perf.c +++ b/drivers/perf/fsl_imx8_ddr_perf.c @@ -5,6 +5,7 @@ */ #include <linux/bitfield.h> +#include <linux/clk.h> #include <linux/init.h> #include <linux/interrupt.h> #include <linux/io.h> @@ -732,10 +733,12 @@ static int ddr_perf_offline_cpu(unsigned int cpu, struct hlist_node *node) static int ddr_perf_probe(struct platform_device *pdev) { + struct clk_bulk_data *clks; struct ddr_pmu *pmu; struct device_node *np; void __iomem *base; char *name; + int nclks; int num; int ret; int irq; @@ -754,6 +757,10 @@ static int ddr_perf_probe(struct platform_device *pdev) platform_set_drvdata(pdev, pmu); + nclks = devm_clk_bulk_get_all_enabled(&pdev->dev, &clks); + if (nclks < 0) + return dev_err_probe(&pdev->dev, nclks, "Failure get clks\n"); + num = ida_alloc(&ddr_ida, GFP_KERNEL); if (num < 0) return num; |