diff options
Diffstat (limited to 'target/linux/bcm47xx/patches-5.10/104-v5.18-mtd-rawnand-brcmnand-Allow-working-without-interrupts.patch')
| -rw-r--r-- | target/linux/bcm47xx/patches-5.10/104-v5.18-mtd-rawnand-brcmnand-Allow-working-without-interrupts.patch | 91 |
1 files changed, 0 insertions, 91 deletions
diff --git a/target/linux/bcm47xx/patches-5.10/104-v5.18-mtd-rawnand-brcmnand-Allow-working-without-interrupts.patch b/target/linux/bcm47xx/patches-5.10/104-v5.18-mtd-rawnand-brcmnand-Allow-working-without-interrupts.patch deleted file mode 100644 index 3a9d18fa21..0000000000 --- a/target/linux/bcm47xx/patches-5.10/104-v5.18-mtd-rawnand-brcmnand-Allow-working-without-interrupts.patch +++ /dev/null @@ -1,91 +0,0 @@ -From: Florian Fainelli <f.fainelli@gmail.com> -Subject: [PATCH v3 5/9] mtd: rawnand: brcmnand: Allow working without interrupts -Date: Fri, 07 Jan 2022 10:46:10 -0800 -Content-Type: text/plain; charset="utf-8" - -The BCMA devices include the brcmnand controller but they do not wire up -any interrupt line, allow the main interrupt to be optional and update -the completion path to also check for the lack of an interrupt line. - -Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> ---- - drivers/mtd/nand/raw/brcmnand/brcmnand.c | 52 +++++++++++------------- - 1 file changed, 24 insertions(+), 28 deletions(-) - ---- a/drivers/mtd/nand/raw/brcmnand/brcmnand.c -+++ b/drivers/mtd/nand/raw/brcmnand/brcmnand.c -@@ -216,7 +216,7 @@ struct brcmnand_controller { - void __iomem *nand_base; - void __iomem *nand_fc; /* flash cache */ - void __iomem *flash_dma_base; -- unsigned int irq; -+ int irq; - unsigned int dma_irq; - int nand_version; - -@@ -1590,7 +1590,7 @@ static bool brcmstb_nand_wait_for_comple - bool err = false; - int sts; - -- if (mtd->oops_panic_write) { -+ if (mtd->oops_panic_write || ctrl->irq < 0) { - /* switch to interrupt polling and PIO mode */ - disable_ctrl_irqs(ctrl); - sts = bcmnand_ctrl_poll_status(ctrl, NAND_CTRL_RDY, -@@ -3095,33 +3095,29 @@ int brcmnand_probe(struct platform_devic - } - - /* IRQ */ -- ctrl->irq = platform_get_irq(pdev, 0); -- if ((int)ctrl->irq < 0) { -- dev_err(dev, "no IRQ defined\n"); -- ret = -ENODEV; -- goto err; -- } -- -- /* -- * Some SoCs integrate this controller (e.g., its interrupt bits) in -- * interesting ways -- */ -- if (soc) { -- ret = devm_request_irq(dev, ctrl->irq, brcmnand_irq, 0, -- DRV_NAME, ctrl); -- -- /* Enable interrupt */ -- ctrl->soc->ctlrdy_ack(ctrl->soc); -- ctrl->soc->ctlrdy_set_enabled(ctrl->soc, true); -- } else { -- /* Use standard interrupt infrastructure */ -- ret = devm_request_irq(dev, ctrl->irq, brcmnand_ctlrdy_irq, 0, -- DRV_NAME, ctrl); -- } -- if (ret < 0) { -- dev_err(dev, "can't allocate IRQ %d: error %d\n", -- ctrl->irq, ret); -- goto err; -+ ctrl->irq = platform_get_irq_optional(pdev, 0); -+ if (ctrl->irq > 0) { -+ /* -+ * Some SoCs integrate this controller (e.g., its interrupt bits) in -+ * interesting ways -+ */ -+ if (soc) { -+ ret = devm_request_irq(dev, ctrl->irq, brcmnand_irq, 0, -+ DRV_NAME, ctrl); -+ -+ /* Enable interrupt */ -+ ctrl->soc->ctlrdy_ack(ctrl->soc); -+ ctrl->soc->ctlrdy_set_enabled(ctrl->soc, true); -+ } else { -+ /* Use standard interrupt infrastructure */ -+ ret = devm_request_irq(dev, ctrl->irq, brcmnand_ctlrdy_irq, 0, -+ DRV_NAME, ctrl); -+ } -+ if (ret < 0) { -+ dev_err(dev, "can't allocate IRQ %d: error %d\n", -+ ctrl->irq, ret); -+ goto err; -+ } - } - - for_each_available_child_of_node(dn, child) { |