lkml.org 
[lkml]   [2019]   [Dec]   [5]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH] scsi: ufs: Export query request interfaces
Date
Vendor drivers may need to send query requests in proprietary
implementations. Hence, export the query request interfaces
so that vendor drivers can use them.

Signed-off-by: Can Guo <cang@codeaurora.org>

diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c
index c449b68..0d1667d 100644
--- a/drivers/scsi/ufs/ufshcd.c
+++ b/drivers/scsi/ufs/ufshcd.c
@@ -2737,7 +2737,7 @@ static inline void ufshcd_init_query(struct ufs_hba *hba,
(*request)->upiu_req.selector = selector;
}

-static int ufshcd_query_flag_retry(struct ufs_hba *hba,
+int ufshcd_query_flag_retry(struct ufs_hba *hba,
enum query_opcode opcode, enum flag_idn idn, bool *flag_res)
{
int ret;
@@ -2759,6 +2759,7 @@ static int ufshcd_query_flag_retry(struct ufs_hba *hba,
__func__, opcode, idn, ret, retries);
return ret;
}
+EXPORT_SYMBOL_GPL(ufshcd_query_flag_retry);

/**
* ufshcd_query_flag() - API function for sending flag query requests
@@ -2826,6 +2827,7 @@ int ufshcd_query_flag(struct ufs_hba *hba, enum query_opcode opcode,
ufshcd_release(hba);
return err;
}
+EXPORT_SYMBOL_GPL(ufshcd_query_flag);

/**
* ufshcd_query_attr - API function for sending attribute requests
@@ -2890,6 +2892,7 @@ int ufshcd_query_attr(struct ufs_hba *hba, enum query_opcode opcode,
ufshcd_release(hba);
return err;
}
+EXPORT_SYMBOL_GPL(ufshcd_query_attr);

/**
* ufshcd_query_attr_retry() - API function for sending query
@@ -2904,7 +2907,7 @@ int ufshcd_query_attr(struct ufs_hba *hba, enum query_opcode opcode,
*
* Returns 0 for success, non-zero in case of failure
*/
-static int ufshcd_query_attr_retry(struct ufs_hba *hba,
+int ufshcd_query_attr_retry(struct ufs_hba *hba,
enum query_opcode opcode, enum attr_idn idn, u8 index, u8 selector,
u32 *attr_val)
{
@@ -2927,6 +2930,7 @@ static int ufshcd_query_attr_retry(struct ufs_hba *hba,
__func__, idn, ret, QUERY_REQ_RETRIES);
return ret;
}
+EXPORT_SYMBOL_GPL(ufshcd_query_attr_retry);

static int __ufshcd_query_descriptor(struct ufs_hba *hba,
enum query_opcode opcode, enum desc_idn idn, u8 index,
@@ -3024,6 +3028,7 @@ int ufshcd_query_descriptor_retry(struct ufs_hba *hba,

return err;
}
+EXPORT_SYMBOL_GPL(ufshcd_query_descriptor_retry);

/**
* ufshcd_read_desc_length - read the specified descriptor length from header
diff --git a/drivers/scsi/ufs/ufshcd.h b/drivers/scsi/ufs/ufshcd.h
index e0fe247..a1d27e6 100644
--- a/drivers/scsi/ufs/ufshcd.h
+++ b/drivers/scsi/ufs/ufshcd.h
@@ -923,8 +923,13 @@ int ufshcd_read_desc_param(struct ufs_hba *hba,
u8 param_size);
int ufshcd_query_attr(struct ufs_hba *hba, enum query_opcode opcode,
enum attr_idn idn, u8 index, u8 selector, u32 *attr_val);
+int ufshcd_query_attr_retry(struct ufs_hba *hba, enum query_opcode opcode,
+ enum attr_idn idn, u8 index, u8 selector,
+ u32 *attr_val);
int ufshcd_query_flag(struct ufs_hba *hba, enum query_opcode opcode,
enum flag_idn idn, bool *flag_res);
+int ufshcd_query_flag_retry(struct ufs_hba *hba, enum query_opcode opcode,
+ enum flag_idn idn, bool *flag_res);

#define SD_ASCII_STD true
#define SD_RAW false
--
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
a Linux Foundation Collaborative Project
\
 
 \ /
  Last update: 2019-12-06 03:32    [W:0.026 / U:21.656 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site