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Commit 3002a37e authored by Anant Goel's avatar Anant Goel Committed by Gerrit - the friendly Code Review server
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uio: msm_sharedmem: Add stub shutdown function 



A stub shutdown function is added as the default
implementation. This function is used by targets
that do not need to free their memory when the
driver is shutdown.

Change-Id: I073cda4fee7a1c6c34c5ba72d9ba73478ef2d90d
Signed-off-by: default avatarAnant Goel <anantg@codeaurora.org>
parent 27ea8df4

drivers/uio/msm_sharedmem/msm_sharedmem.c

+8 −0
Original line number Diff line number Diff line
@@ -75,6 +75,7 @@ static int sharedmem_mmap(struct uio_info *info, struct vm_area_struct *vma) 
	return result;

}



#ifdef CONFIG_MSM_GVM_QUIN

static void free_shared_ram_perms(u32 client_id, phys_addr_t addr, u32 size)

{

	int ret;
@@ -92,6 +93,7 @@ static void free_shared_ram_perms(u32 client_id, phys_addr_t addr, u32 size) 
			&addr, size, ret);

	}

}

#endif



/* Setup the shared ram permissions.

 * This function currently supports the mpss client only.
@@ -202,6 +204,7 @@ out: 
	return ret;

}



#ifdef CONFIG_MSM_GVM_QUIN

static void msm_sharedmem_shutdown(struct platform_device *pdev)

{

	struct uio_info *info = dev_get_drvdata(&pdev->dev);
@@ -212,6 +215,11 @@ static void msm_sharedmem_shutdown(struct platform_device *pdev) 
	free_shared_ram_perms(MPSS_RMTS_CLIENT_ID, shared_mem_addr,

			shared_mem_size);

}

#else

static void msm_sharedmem_shutdown(struct platform_device *pdev)

{

}

#endif



static int msm_sharedmem_remove(struct platform_device *pdev)

{