Re: [PATCH v3 2/2] mtd: rawnand: nuvoton: add new driver for the Nuvoton MA35 SoC
From: Markus Elfring <hidden>
Date: 2024-08-29 05:11:03
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dri-devel, linux-devicetree, linux-media, lkml
Nuvoton MA35 SoCs NAND Flash Interface Controller supports 2KB, 4KB and 8KB page size, and up to 8-bit, 12-bit, and 24-bit hardware ECC calculation circuit to protect data communication.
You may occasionally put more than 53 characters into text lines of such a change description. https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/Documentation/process/submitting-patches.rst?h=v6.11-rc5#n45 …
quoted hunk ↗ jump to hunk
+++ b/drivers/mtd/nand/raw/nuvoton_ma35d1_nand.c@@ -0,0 +1,1068 @@
…
+static irqreturn_t ma35_nand_irq(int irq, void *id)
+{…
+ u32 isr; + + spin_lock(&nand->dma_lock);
…
+ spin_unlock(&nand->dma_lock); + + return IRQ_HANDLED; +}
… Under which circumstances would you become interested to apply a statement like “guard(spinlock)(&nand->dma_lock);”? https://elixir.bootlin.com/linux/v6.11-rc5/source/include/linux/spinlock.h#L559 Regards, Markus