evie/android_kernel_oneplus_msm8998
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Merge "soc: qcom: glink: Best Fit approach to find intent"

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Linux Build Service Account 2016-08-26 14:48:52 -07:00 • committed by Gerrit - the friendly Code Review server
commit 8e8c0536ff
1 changed files with 22 additions and 13 deletions
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35
drivers/soc/qcom/glink.c
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@ -1148,6 +1148,7 @@ int ch_pop_remote_rx_intent(struct channel_ctx *ctx, size_t size,
{
struct glink_core_rx_intent *intent;
struct glink_core_rx_intent *intent_tmp;
struct glink_core_rx_intent *best_intent = NULL;
unsigned long flags;
if (GLINK_MAX_PKT_SIZE < size) {
@ -1170,21 +1171,29 @@ int ch_pop_remote_rx_intent(struct channel_ctx *ctx, size_t size,
list_for_each_entry_safe(intent, intent_tmp, &ctx->rmt_rx_intent_list,
list) {
if (intent->intent_size >= size) {
list_del(&intent->list);
GLINK_DBG_CH(ctx,
"%s: R[%u]:%zu Removed remote intent\n",
__func__,
intent->id,
intent->intent_size);
*riid_ptr = intent->id;
*intent_size = intent->intent_size;
*cookie = intent->cookie;
kfree(intent);
spin_unlock_irqrestore(
&ctx->rmt_rx_intent_lst_lock_lhc2, flags);
return 0;
if (!best_intent)
best_intent = intent;
else if (best_intent->intent_size > intent->intent_size)
best_intent = intent;
if (best_intent->intent_size == size)
break;
}
}
if (best_intent) {
list_del(&best_intent->list);
GLINK_DBG_CH(ctx,
"%s: R[%u]:%zu Removed remote intent\n",
__func__,
best_intent->id,
best_intent->intent_size);
*riid_ptr = best_intent->id;
*intent_size = best_intent->intent_size;
*cookie = best_intent->cookie;
kfree(best_intent);
spin_unlock_irqrestore(
&ctx->rmt_rx_intent_lst_lock_lhc2, flags);
return 0;
}
spin_unlock_irqrestore(&ctx->rmt_rx_intent_lst_lock_lhc2, flags);
return -EAGAIN;
}