diff options
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.patch | 47 |
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; |