[PATCH 350/379][SRU][OEM-5.6] bus: mhi: Remove unused nr_irqs_req variable

[You-Sheng Yang]

From: Loic Poulain <loic.poulain at linaro.org>

BugLink: https://bugs.launchpad.net/bugs/1879633

nr_irqs_req is unused in MHI stack.

Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam at linaro.org>
Signed-off-by: Loic Poulain <loic.poulain at linaro.org>
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam at linaro.org>
Link: https://lore.kernel.org/r/20200929175218.8178-18-manivannan.sadhasivam@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh at linuxfoundation.org>
(cherry picked from commit 9654ab011e28ee756d231035c488509dc214fa6f)
Signed-off-by: You-Sheng Yang <vicamo.yang at canonical.com>
---
 drivers/bus/mhi/core/init.c | 3 ---
 include/linux/mhi.h         | 2 --
 2 files changed, 5 deletions(-)

diff --git a/drivers/bus/mhi/core/init.c b/drivers/bus/mhi/core/init.c
index 103d51f35e28..0ffdebde8265 100644
--- a/drivers/bus/mhi/core/init.c
+++ b/drivers/bus/mhi/core/init.c
@@ -680,9 +680,6 @@ static int parse_ev_cfg(struct mhi_controller *mhi_cntrl,
 		mhi_event++;
 	}
 
-	/* We need IRQ for each event ring + additional one for BHI */
-	mhi_cntrl->nr_irqs_req = mhi_cntrl->total_ev_rings + 1;
-
 	return 0;
 
 error_ev_cfg:
diff --git a/include/linux/mhi.h b/include/linux/mhi.h
index 277dc164e64d..a2d2dfa07fd7 100644
--- a/include/linux/mhi.h
+++ b/include/linux/mhi.h
@@ -311,7 +311,6 @@ struct mhi_controller_config {
  * @total_ev_rings: Total # of event rings allocated
  * @hw_ev_rings: Number of hardware event rings
  * @sw_ev_rings: Number of software event rings
- * @nr_irqs_req: Number of IRQs required to operate (optional)
  * @nr_irqs: Number of IRQ allocated by bus master (required)
  * @family_number: MHI controller family number
  * @device_number: MHI controller device number
@@ -392,7 +391,6 @@ struct mhi_controller {
 	u32 total_ev_rings;
 	u32 hw_ev_rings;
 	u32 sw_ev_rings;
-	u32 nr_irqs_req;
 	u32 nr_irqs;
 	u32 family_number;
 	u32 device_number;
-- 
2.29.2