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a2d4f327a7
create patch by reverting upstream commit 09b8cc7810587257e5f82080884001301e1a1ba9 which made cros_ec not detected
37 lines
1.1 KiB
Diff
37 lines
1.1 KiB
Diff
Author: Milan P. Stanić <mps@arvanta.net>
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Date: Thu Jul 29 18:43:30 2021 +0000
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revert 09b8cc7810587257e5f82080884001301e1a1ba9 commit
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with this commit cros_ec keyboard is not detected on MT8173 elm chromebook
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and doesn't work
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reverting this commit fixed it
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--- a/drivers/spi/spi-mt65xx.c
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+++ b/drivers/spi/spi-mt65xx.c
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@@ -427,23 +427,13 @@
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mtk_spi_setup_packet(master);
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cnt = xfer->len / 4;
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- if (xfer->tx_buf)
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- iowrite32_rep(mdata->base + SPI_TX_DATA_REG, xfer->tx_buf, cnt);
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-
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- if (xfer->rx_buf)
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- ioread32_rep(mdata->base + SPI_RX_DATA_REG, xfer->rx_buf, cnt);
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+ iowrite32_rep(mdata->base + SPI_TX_DATA_REG, xfer->tx_buf, cnt);
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remainder = xfer->len % 4;
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if (remainder > 0) {
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reg_val = 0;
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- if (xfer->tx_buf) {
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- memcpy(®_val, xfer->tx_buf + (cnt * 4), remainder);
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- writel(reg_val, mdata->base + SPI_TX_DATA_REG);
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- }
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- if (xfer->rx_buf) {
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- reg_val = readl(mdata->base + SPI_RX_DATA_REG);
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- memcpy(xfer->rx_buf + (cnt * 4), ®_val, remainder);
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- }
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+ memcpy(®_val, xfer->tx_buf + (cnt * 4), remainder);
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+ writel(reg_val, mdata->base + SPI_TX_DATA_REG);
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}
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mtk_spi_enable_transfer(master);
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