Merge "msm: ipa: fix division by 0 for DMA pipes" (d6cf3eda) · Commits · e / devices / android_kernel_xiaomi_markw

drivers/platform/msm/ipa/ipa_v2/ipa_dp.c

+10 −4

Original line number	Diff line number	Diff line
		@@ -1078,8 +1078,11 @@ void ipa_update_repl_threshold(enum ipa_client_type ipa_client)
		* Determine how many buffers/descriptors remaining will
		* cause to drop below the yellow WM bar.
		*/
		if (ep->sys->rx_buff_sz)
		ep->rx_replenish_threshold = ipa_get_sys_yellow_wm(ep->sys)
		/ ep->sys->rx_buff_sz;
		else
		ep->rx_replenish_threshold = 0;
		}

		/**
		@@ -1273,8 +1276,11 @@ int ipa2_setup_sys_pipe(struct ipa_sys_connect_params sys_in, u32 clnt_hdl)
		* Determine how many buffers/descriptors remaining will
		* cause to drop below the yellow WM bar.
		*/
		ep->rx_replenish_threshold = ipa_get_sys_yellow_wm(ep->sys)
		/ ep->sys->rx_buff_sz;
		if (ep->sys->rx_buff_sz)
		ep->rx_replenish_threshold =
		ipa_get_sys_yellow_wm(ep->sys) / ep->sys->rx_buff_sz;
		else
		ep->rx_replenish_threshold = 0;
		/* Only when the WAN pipes are setup, actual threshold will
		* be read from the register. So update LAN_CONS ep again with
		* right value.