linux-kernel - [PATCH 2/3] spi: fsl-cpm: substitute empty_zero_page with helper ZERO

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Message-Id: <20221018215755.33566-2-giulio.benetti@benettiengineering.com>
Date:   Tue, 18 Oct 2022 23:57:54 +0200
From:   Giulio Benetti <giulio.benetti@...ettiengineering.com>
To:     Arnd Bergmann <arnd@...db.de>, linux-acpi@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-spi@...r.kernel.org,
        linux-raid@...r.kernel.org
Cc:     "Rafael J . Wysocki" <rafael@...nel.org>,
        Len Brown <lenb@...nel.org>, Mark Brown <broonie@...nel.org>,
        Song Liu <song@...nel.org>,
        Giulio Benetti <giulio.benetti@...ettiengineering.com>
Subject: [PATCH 2/3] spi: fsl-cpm: substitute empty_zero_page with helper ZERO_PAGE(0)

Not all zero page implementations use empty_zero_page global pointer so
let's substitute empty_zero_page occurence with helper ZERO_PAGE(0).

Signed-off-by: Giulio Benetti <giulio.benetti@...ettiengineering.com>
---
 drivers/spi/spi-fsl-cpm.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/spi/spi-fsl-cpm.c b/drivers/spi/spi-fsl-cpm.c
index ee905880769e..17a44d4f5021 100644
--- a/drivers/spi/spi-fsl-cpm.c
+++ b/drivers/spi/spi-fsl-cpm.c
@@ -333,7 +333,7 @@ int fsl_spi_cpm_init(struct mpc8xxx_spi *mspi)
 		goto err_bds;
 	}
 
-	mspi->dma_dummy_tx = dma_map_single(dev, empty_zero_page, PAGE_SIZE,
+	mspi->dma_dummy_tx = dma_map_single(dev, ZERO_PAGE(0), PAGE_SIZE,
 					    DMA_TO_DEVICE);
 	if (dma_mapping_error(dev, mspi->dma_dummy_tx)) {
 		dev_err(dev, "unable to map dummy tx buffer\n");
-- 
2.34.1