diff options
| author | Imran Khan <kimran@codeaurora.org> | 2019-07-24 01:35:13 +0300 |
|---|---|---|
| committer | Bjorn Andersson <bjorn.andersson@linaro.org> | 2019-08-06 00:56:31 +0300 |
| commit | efb448d0a3fca01bb987dd70963da6185b81751e (patch) | |
| tree | 01f1c02c2f17817ccb09da4e929c1a53000836b9 /drivers/soc/qcom/smem.c | |
| parent | f7ccc7a397cf2ef64aebb2f726970b93203858d2 (diff) | |
| download | linux-efb448d0a3fca01bb987dd70963da6185b81751e.tar.xz | |
soc: qcom: Add socinfo driver
The Qualcomm socinfo driver exposes information about the SoC, its
version and its serial number to user space.
Tested-by: Vinod Koul <vkoul@kernel.org>
Reviewed-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Imran Khan <kimran@codeaurora.org>
[Bjorn: Extract code to platform_driver, split patch in multiple]
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
[Vaishali: Simplify declarations, introduce qcom_socinfo struct, Fix
memory leak, Remove extra code and Misc code refactoring]
Signed-off-by: Vaishali Thakkar <vaishali.thakkar@linaro.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Diffstat (limited to 'drivers/soc/qcom/smem.c')
| -rw-r--r-- | drivers/soc/qcom/smem.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/soc/qcom/smem.c b/drivers/soc/qcom/smem.c index f27c00d82ae4..0caf67e2f037 100644 --- a/drivers/soc/qcom/smem.c +++ b/drivers/soc/qcom/smem.c @@ -268,6 +268,7 @@ struct qcom_smem { struct smem_partition_header *partitions[SMEM_HOST_COUNT]; size_t cacheline[SMEM_HOST_COUNT]; u32 item_count; + struct platform_device *socinfo; unsigned num_regions; struct smem_region regions[]; @@ -963,11 +964,19 @@ static int qcom_smem_probe(struct platform_device *pdev) __smem = smem; + smem->socinfo = platform_device_register_data(&pdev->dev, "qcom-socinfo", + PLATFORM_DEVID_NONE, NULL, + 0); + if (IS_ERR(smem->socinfo)) + dev_dbg(&pdev->dev, "failed to register socinfo device\n"); + return 0; } static int qcom_smem_remove(struct platform_device *pdev) { + platform_device_unregister(__smem->socinfo); + hwspin_lock_free(__smem->hwlock); __smem = NULL; |