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Diffstat (limited to 'target/linux/layerscape/patches-5.4/701-net-0310-staging-fsl_ppfe-performance-tuning-for-user-space.patch')
-rw-r--r--target/linux/layerscape/patches-5.4/701-net-0310-staging-fsl_ppfe-performance-tuning-for-user-space.patch47
1 files changed, 0 insertions, 47 deletions
diff --git a/target/linux/layerscape/patches-5.4/701-net-0310-staging-fsl_ppfe-performance-tuning-for-user-space.patch b/target/linux/layerscape/patches-5.4/701-net-0310-staging-fsl_ppfe-performance-tuning-for-user-space.patch
deleted file mode 100644
index 8eac290b3a..0000000000
--- a/target/linux/layerscape/patches-5.4/701-net-0310-staging-fsl_ppfe-performance-tuning-for-user-space.patch
+++ /dev/null
@@ -1,47 +0,0 @@
-From 31fa4aeafa41a38c76085af4de7192c572e85119 Mon Sep 17 00:00:00 2001
-From: Akhil Goyal <akhil.goyal@nxp.com>
-Date: Fri, 20 Jul 2018 16:43:25 +0530
-Subject: [PATCH] staging: fsl_ppfe: performance tuning for user space
-
-interrupt coalescing of 100 usec is added.
-
-Signed-off-by: Akhil Goyal <akhil.goyal@nxp.com>
-Signed-off-by: Sachin Saxena <sachin.saxena@nxp.com>
----
- drivers/staging/fsl_ppfe/pfe_cdev.c | 12 +++++++++---
- 1 file changed, 9 insertions(+), 3 deletions(-)
-
---- a/drivers/staging/fsl_ppfe/pfe_cdev.c
-+++ b/drivers/staging/fsl_ppfe/pfe_cdev.c
-@@ -116,15 +116,18 @@ static irqreturn_t hif_us_isr(int irq, v
-
- if (int_status & HIF_RXPKT_INT) {
- int_enable_mask &= ~(HIF_RXPKT_INT);
-+ /* Disable interrupts, they will be enabled after
-+ * they are serviced
-+ */
-+ writel_relaxed(int_enable_mask, HIF_INT_ENABLE);
-+
- eventfd_signal(trigger, 1);
- }
-
-- /*Disable interrupts, they will be enabled after they are serviced */
-- writel_relaxed(int_enable_mask, HIF_INT_ENABLE);
--
- return IRQ_HANDLED;
- }
-
-+#define PFE_INTR_COAL_USECS 100
- static long pfe_cdev_ioctl(struct file *fp, unsigned int cmd,
- unsigned long arg)
- {
-@@ -159,6 +162,9 @@ static long pfe_cdev_ioctl(struct file *
- eventfd_ctx_put(g_trigger);
- g_trigger = NULL;
- }
-+ writel((PFE_INTR_COAL_USECS * (pfe->ctrl.sys_clk / 1000)) |
-+ HIF_INT_COAL_ENABLE, HIF_INT_COAL);
-+
- pr_debug("request_irq for hif interrupt: %d\n", pfe->hif_irq);
- ret = 0;
- break;