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Commit a85378d2 authored by Bojun Pan's avatar Bojun Pan
Browse files

msm: ipa4: capture the unclock gsi IPA register access 



Add more protect on the unclock gsi IPA register access.
In case this is a valid access, assert before disabling
the IPA clock.

Change-Id: If2cc5a9942a5e457bbd8badaabde78138f676176
Signed-off-by: default avatarBojun Pan <bojunp@codeaurora.org>
parent 7e5cfaa6

include/linux/msm_gsi.h

+15 −0
Original line number Diff line number Diff line
@@ -1383,6 +1383,16 @@ int gsi_read_channel_scratch(unsigned long chan_hdl, 
int gsi_read_wdi3_channel_scratch2_reg(unsigned long chan_hdl,

		union __packed gsi_wdi3_channel_scratch2_reg *val);



/*

 * gsi_pending_irq_type - Peripheral should call this function to

 * check if there is any pending irq

 *

 * This function can sleep

 *

 * @Return gsi_irq_type

 */

int gsi_pending_irq_type(void);



/**

 * gsi_update_mhi_channel_scratch - MHI Peripheral should call this

 * function to update the scratch area of the channel context. Updating
@@ -1857,6 +1867,11 @@ static inline int gsi_read_channel_scratch(unsigned long chan_hdl, 
	return -GSI_STATUS_UNSUPPORTED_OP;

}



static inline int gsi_pending_irq_type(void)

{

	return -GSI_STATUS_UNSUPPORTED_OP;

}



static inline int gsi_update_mhi_channel_scratch(unsigned long chan_hdl,

		struct __packed gsi_mhi_channel_scratch mscr)

{