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 <[email protected]> Cc: Rob Herring <[email protected]> Cc: Bjorn Andersson <[email protected]> Cc: Andy Gross <[email protected]> Cc: Will Deacon <[email protected]> Cc: Catalin Marinas <[email protected]> Cc: Dan Williams <[email protected]> Signed-off-by: Stephen Boyd <[email protected]> --- 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
