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| author | Yangbo Lu <yangbo.lu@nxp.com> | 2020-04-10 10:47:05 +0800 |
|---|---|---|
| committer | Petr Štetiar <ynezz@true.cz> | 2020-05-07 12:53:06 +0200 |
| commit | cddd4591404fb4c53dc0b3c0b15b942cdbed4356 (patch) | |
| tree | 392c1179de46b0f804e3789edca19069b64e6b44 /target/linux/layerscape/patches-5.4/701-net-0310-staging-fsl_ppfe-performance-tuning-for-user-space.patch | |
| parent | d1d2c0b5579ea4f69a42246c9318539d61ba1999 (diff) | |
| download | upstream-cddd4591404fb4c53dc0b3c0b15b942cdbed4356.tar.gz upstream-cddd4591404fb4c53dc0b3c0b15b942cdbed4356.tar.bz2 upstream-cddd4591404fb4c53dc0b3c0b15b942cdbed4356.zip | |
layerscape: add patches-5.4
Add patches for linux-5.4. The patches are from NXP LSDK-20.04 release
which was tagged LSDK-20.04-V5.4.
https://source.codeaurora.org/external/qoriq/qoriq-components/linux/
For boards LS1021A-IOT, and Traverse-LS1043 which are not involved in
LSDK, port the dts patches from 4.14.
The patches are sorted into the following categories:
301-arch-xxxx
302-dts-xxxx
303-core-xxxx
701-net-xxxx
801-audio-xxxx
802-can-xxxx
803-clock-xxxx
804-crypto-xxxx
805-display-xxxx
806-dma-xxxx
807-gpio-xxxx
808-i2c-xxxx
809-jailhouse-xxxx
810-keys-xxxx
811-kvm-xxxx
812-pcie-xxxx
813-pm-xxxx
814-qe-xxxx
815-sata-xxxx
816-sdhc-xxxx
817-spi-xxxx
818-thermal-xxxx
819-uart-xxxx
820-usb-xxxx
821-vfio-xxxx
Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
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, 47 insertions, 0 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 new file mode 100644 index 0000000000..8eac290b3a --- /dev/null +++ b/target/linux/layerscape/patches-5.4/701-net-0310-staging-fsl_ppfe-performance-tuning-for-user-space.patch @@ -0,0 +1,47 @@ +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; |