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authorSinan Kaya <okaya@codeaurora.org>2017-07-16 10:30:37 -0400
committerVinod Koul <vinod.koul@intel.com>2017-07-19 09:38:55 +0530
commit0217cccdbfb71bfa9482c323a380cedebcd96e41 (patch)
treee2e7f5d228d2e8d0045352fd25f3e1f118f665fd /drivers/dma/qcom
parent5e2db086be4fc77c7715297ffdf929e7a8a55041 (diff)
downloadlinux-0217cccdbfb71bfa9482c323a380cedebcd96e41.tar.bz2
dmaengine: qcom_hidma: correct overriding message
A false overriding information is being presented during boot under this scenario. 1. First object checks for kernel command line value against zero. 2. It doesn't find it, it sets the command line variable to the value coming from ACPI/DT. 3. Second object is being probed. 4. Second object sees that the value of kernel command line override is non-zero, it prints an overriding message even though value matches ACPI/DT value. hidma-mgmt QCOM8060:03: overriding max-write-burst-bytes: 1024 Add an additional check to verify that kernel command line value is different from the ACPI/DT value. Signed-off-by: Sinan Kaya <okaya@codeaurora.org> Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Diffstat (limited to 'drivers/dma/qcom')
-rw-r--r--drivers/dma/qcom/hidma_mgmt.c12
1 files changed, 8 insertions, 4 deletions
diff --git a/drivers/dma/qcom/hidma_mgmt.c b/drivers/dma/qcom/hidma_mgmt.c
index 5a0991bc4787..d51cd34c8267 100644
--- a/drivers/dma/qcom/hidma_mgmt.c
+++ b/drivers/dma/qcom/hidma_mgmt.c
@@ -227,7 +227,8 @@ static int hidma_mgmt_probe(struct platform_device *pdev)
goto out;
}
- if (max_write_request) {
+ if (max_write_request &&
+ (max_write_request != mgmtdev->max_write_request)) {
dev_info(&pdev->dev, "overriding max-write-burst-bytes: %d\n",
max_write_request);
mgmtdev->max_write_request = max_write_request;
@@ -240,7 +241,8 @@ static int hidma_mgmt_probe(struct platform_device *pdev)
dev_err(&pdev->dev, "max-read-burst-bytes missing\n");
goto out;
}
- if (max_read_request) {
+ if (max_read_request &&
+ (max_read_request != mgmtdev->max_read_request)) {
dev_info(&pdev->dev, "overriding max-read-burst-bytes: %d\n",
max_read_request);
mgmtdev->max_read_request = max_read_request;
@@ -253,7 +255,8 @@ static int hidma_mgmt_probe(struct platform_device *pdev)
dev_err(&pdev->dev, "max-write-transactions missing\n");
goto out;
}
- if (max_wr_xactions) {
+ if (max_wr_xactions &&
+ (max_wr_xactions != mgmtdev->max_wr_xactions)) {
dev_info(&pdev->dev, "overriding max-write-transactions: %d\n",
max_wr_xactions);
mgmtdev->max_wr_xactions = max_wr_xactions;
@@ -266,7 +269,8 @@ static int hidma_mgmt_probe(struct platform_device *pdev)
dev_err(&pdev->dev, "max-read-transactions missing\n");
goto out;
}
- if (max_rd_xactions) {
+ if (max_rd_xactions &&
+ (max_rd_xactions != mgmtdev->max_rd_xactions)) {
dev_info(&pdev->dev, "overriding max-read-transactions: %d\n",
max_rd_xactions);
mgmtdev->max_rd_xactions = max_rd_xactions;