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Commit 8b8961d7 authored by Mohammed Javid's avatar Mohammed Javid
Browse files

msm: ipa4: Removing the spin lock in irq context 



In IRQ context head_desc_list protection was not required.
Removing the spin lock from IRQ context.

Change-Id: I37b0c69a97a2ce8b9bdba88b33c987bd19c76082
Acked-by: default avatarAshok Vuyyuru <avuyyuru@qti.qualcomm.com>
Signed-off-by: default avatarMohammed Javid <mjavid@codeaurora.org>
parent 418f4a45

drivers/platform/msm/ipa/ipa_v3/ipa_dp.c

+0 −2
Original line number Diff line number Diff line
@@ -3560,10 +3560,8 @@ static void ipa_gsi_irq_rx_notify_cb(struct gsi_chan_xfer_notify *notify) 
	IPADBG_LOW("event %d notified\n", notify->evt_id);



	sys = (struct ipa3_sys_context *)notify->chan_user_data;

	spin_lock(&sys->spinlock);

	rx_pkt_expected = list_first_entry(&sys->head_desc_list,

					   struct ipa3_rx_pkt_wrapper, link);

	spin_unlock(&sys->spinlock);

	rx_pkt_rcvd = (struct ipa3_rx_pkt_wrapper *)notify->xfer_user_data;



	if (rx_pkt_expected != rx_pkt_rcvd) {