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Commit dd73f488 authored by Linux Build Service Account's avatar Linux Build Service Account Committed by Gerrit - the friendly Code Review server
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Merge "msm: ipa: invalidate uC requested command after completion"

parents aa5b7887 8e57cad2

drivers/platform/msm/ipa/ipa_uc.c

+5 −1
Original line number Diff line number Diff line
@@ -568,9 +568,11 @@ int ipa_uc_send_cmd(u32 cmd, u32 opcode, u32 expected_status, 
				uc_rsp.raw32b = ipa_ctx->uc_ctx.uc_sram_mmio->

						responseParams;

				if (uc_rsp.params.originalCmdOp ==

				    ipa_ctx->uc_ctx.pending_cmd)

				    ipa_ctx->uc_ctx.pending_cmd) {

					ipa_ctx->uc_ctx.pending_cmd = -1;

					break;

				}

			}

			usleep_range(IPA_UC_POLL_SLEEP_USEC,

					IPA_UC_POLL_SLEEP_USEC);

		}
@@ -604,10 +606,12 @@ int ipa_uc_send_cmd(u32 cmd, u32 opcode, u32 expected_status, 
	if (ipa_ctx->uc_ctx.uc_status != expected_status) {

		IPAERR("Recevied status %u, Expected status %u\n",

			ipa_ctx->uc_ctx.uc_status, expected_status);

		ipa_ctx->uc_ctx.pending_cmd = -1;

		mutex_unlock(&ipa_ctx->uc_ctx.uc_lock);

		return -EFAULT;

	}



	ipa_ctx->uc_ctx.pending_cmd = -1;

	mutex_unlock(&ipa_ctx->uc_ctx.uc_lock);



	IPADBG("uC cmd %u send succeeded\n", opcode);