drivers: soc: sunxi: Fix mask generation for SRAM mapping (febe6569) · Commits · 戴 / test

GENMASK is inclusive on both ends, therefor one has to be subtracted from the width. Also fixes the mask for debug output. Signed-off-by:

drivers/soc/sunxi/sunxi_sram.c

+3 −2

Original line number	Diff line number	Diff line
		@@ -117,7 +117,7 @@ static int sunxi_sram_show(struct seq_file s, void data)

		val = readl(base + sram_data->reg);
		val >>= sram_data->offset;
		val &= sram_data->width;
		val &= GENMASK(sram_data->width - 1, 0);

		for (func = sram_data->func; func->func; func++) {
		seq_printf(s, "\t\t%s%c\n", func->func,
		@@ -208,7 +208,8 @@ int sunxi_sram_claim(struct device *dev)
		return -EBUSY;
		}

		mask = GENMASK(sram_data->offset + sram_data->width, sram_data->offset);
		mask = GENMASK(sram_data->offset + sram_data->width - 1,
		sram_data->offset);
		val = readl(base + sram_data->reg);
		val &= ~mask;
		writel(val \| ((device << sram_data->offset) & mask),