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Message-ID: <20240517195344.813032-8-andriy.shevchenko@linux.intel.com>
Date: Fri, 17 May 2024 22:47:41 +0300
From: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To: Mark Brown <broonie@...nel.org>,
Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
Linus Walleij <linus.walleij@...aro.org>,
linux-kernel@...r.kernel.org,
linux-spi@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org
Cc: Daniel Mack <daniel@...que.org>,
Haojian Zhuang <haojian.zhuang@...il.com>,
Robert Jarzmik <robert.jarzmik@...e.fr>
Subject: [PATCH v1 07/10] spi: pxa2xx: Remove superflous check for Intel Atom SoCs
pxa2xx_spi_fw_translate_cs() checks for the ACPI companion device
presence along with the SSP type. But the SSP type is uniquely
determines the case. Hence remove the superflous check.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
---
drivers/spi/spi-pxa2xx.c | 26 +++++++++++---------------
1 file changed, 11 insertions(+), 15 deletions(-)
diff --git a/drivers/spi/spi-pxa2xx.c b/drivers/spi/spi-pxa2xx.c
index cd28b798b53b..3ea4b9821a8e 100644
--- a/drivers/spi/spi-pxa2xx.c
+++ b/drivers/spi/spi-pxa2xx.c
@@ -1371,23 +1371,19 @@ static int pxa2xx_spi_fw_translate_cs(struct spi_controller *controller,
{
struct driver_data *drv_data = spi_controller_get_devdata(controller);
- if (has_acpi_companion(drv_data->ssp->dev)) {
- switch (drv_data->ssp_type) {
- /*
- * For Atoms the ACPI DeviceSelection used by the Windows
- * driver starts from 1 instead of 0 so translate it here
- * to match what Linux expects.
- */
- case LPSS_BYT_SSP:
- case LPSS_BSW_SSP:
- return cs - 1;
+ switch (drv_data->ssp_type) {
+ /*
+ * For some of Intel Atoms the ACPI DeviceSelection used by the Windows
+ * driver starts from 1 instead of 0 so translate it here to match what
+ * Linux expects.
+ */
+ case LPSS_BYT_SSP:
+ case LPSS_BSW_SSP:
+ return cs - 1;
- default:
- break;
- }
+ default:
+ return cs;
}
-
- return cs;
}
static size_t pxa2xx_spi_max_dma_transfer_size(struct spi_device *spi)
--
2.43.0.rc1.1336.g36b5255a03ac
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