Messages in this thread Patch in this message | | | From | Stephen Boyd <> | Subject | [PATCH v3 2/5] soc: qcom: cmd-db: Migrate to devm_memremap_reserved_mem() | Date | Tue, 10 Sep 2019 09:09:00 -0700 |
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This gets rid of some duplicate code, and also makes the reserved memory region show up as 'cmd-db' memory in /proc/iomem.
Cc: Evan Green <evgreen@chromium.org> Cc: Rob Herring <robh+dt@kernel.org> Cc: Bjorn Andersson <bjorn.andersson@linaro.org> Cc: Andy Gross <agross@kernel.org> Cc: Will Deacon <will.deacon@arm.com> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Dan Williams <dan.j.williams@intel.com> Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org> Signed-off-by: Stephen Boyd <swboyd@chromium.org> --- drivers/soc/qcom/cmd-db.c | 13 +++---------- 1 file changed, 3 insertions(+), 10 deletions(-)
diff --git a/drivers/soc/qcom/cmd-db.c b/drivers/soc/qcom/cmd-db.c index f6c3d17b05c7..10a34d26b753 100644 --- a/drivers/soc/qcom/cmd-db.c +++ b/drivers/soc/qcom/cmd-db.c @@ -238,18 +238,11 @@ EXPORT_SYMBOL(cmd_db_read_slave_id); static int cmd_db_dev_probe(struct platform_device *pdev) { - struct reserved_mem *rmem; int ret = 0; - rmem = of_reserved_mem_lookup(pdev->dev.of_node); - if (!rmem) { - dev_err(&pdev->dev, "failed to acquire memory region\n"); - return -EINVAL; - } - - cmd_db_header = memremap(rmem->base, rmem->size, MEMREMAP_WB); - if (!cmd_db_header) { - ret = -ENOMEM; + cmd_db_header = devm_memremap_reserved_mem(&pdev->dev, MEMREMAP_WB); + if (IS_ERR(cmd_db_header)) { + ret = PTR_ERR(cmd_db_header); cmd_db_header = NULL; return ret; } -- Sent by a computer through tubes
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