evie/android_kernel_oneplus_msm8998
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msm: qcn: Change spin_lock api to synchronize clients

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Change spin_lock api to spin_lock_bh to provide synchronization
between bottom halves and threads.

Change-Id: Ia964796e3d91ebce60238ad110086ba06a1026c1
Signed-off-by: Amandeep Singh <amansing@codeaurora.org>
This commit is contained in:
Amandeep Singh 2019-09-12 15:40:35 +05:30
parent a08ceb359a
commit 412a92fa0f
1 changed files with 5 additions and 5 deletions
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10
drivers/platform/msm/qcn/qcn_sdio.c
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@ -188,10 +188,10 @@ static struct qcn_sdio_rw_info *qcn_sdio_alloc_rw_req(void)
static void qcn_sdio_add_rw_req(struct qcn_sdio_rw_info *rw_req) static void qcn_sdio_add_rw_req(struct qcn_sdio_rw_info *rw_req)
{ {
spin_lock(&sdio_ctxt->lock_wait_q); spin_lock_bh(&sdio_ctxt->lock_wait_q);
list_add_tail(&rw_req->list, &sdio_ctxt->rw_wait_q); list_add_tail(&rw_req->list, &sdio_ctxt->rw_wait_q);
atomic_inc(&sdio_ctxt->wait_list_count); atomic_inc(&sdio_ctxt->wait_list_count);
spin_unlock(&sdio_ctxt->lock_wait_q); spin_unlock_bh(&sdio_ctxt->lock_wait_q);
} }
static int qcn_enable_async_irq(bool enable) static int qcn_enable_async_irq(bool enable)
@ -650,15 +650,15 @@ static void qcn_sdio_rw_work(struct work_struct *work)
struct sdio_al_channel_handle *ch_handle = NULL; struct sdio_al_channel_handle *ch_handle = NULL;
while (1) { while (1) {
spin_lock(&sdio_ctxt->lock_wait_q); spin_lock_bh(&sdio_ctxt->lock_wait_q);
if (list_empty(&sdio_ctxt->rw_wait_q)) { if (list_empty(&sdio_ctxt->rw_wait_q)) {
spin_unlock(&sdio_ctxt->lock_wait_q); spin_unlock_bh(&sdio_ctxt->lock_wait_q);
break; break;
} }
rw_req = list_first_entry(&sdio_ctxt->rw_wait_q, rw_req = list_first_entry(&sdio_ctxt->rw_wait_q,
struct qcn_sdio_rw_info, list); struct qcn_sdio_rw_info, list);
list_del(&rw_req->list); list_del(&rw_req->list);
spin_unlock(&sdio_ctxt->lock_wait_q); spin_unlock_bh(&sdio_ctxt->lock_wait_q);
if (rw_req->dir) { if (rw_req->dir) {
ret = qcn_sdio_recv_buff(rw_req->cid, rw_req->buf, ret = qcn_sdio_recv_buff(rw_req->cid, rw_req->buf,