ath79: remove obsolete 5.15 kernel support

[openwrt/openwrt.git] / target / linux / ath79 / patches-5.15 / 011-v5.17-spi-ar934x-fix-transfer-size.patch

diff --git a/target/linux/ath79/patches-5.15/011-v5.17-spi-ar934x-fix-transfer-size.patch b/target/linux/ath79/patches-5.15/011-v5.17-spi-ar934x-fix-transfer-size.patch
deleted file mode 100644 (file)
index 87f5da2..0000000
--- a/target/linux/ath79/patches-5.15/011-v5.17-spi-ar934x-fix-transfer-size.patch
+++ /dev/null
@@ -1,62 +0,0 @@
-From ebe33e5a98dcf14a9630845f3f10c193584ac054 Mon Sep 17 00:00:00 2001
-From: Oskari Lemmela <oskari@lemmela.net>
-Date: Wed, 22 Dec 2021 07:59:57 +0200
-Subject: [PATCH] spi: ar934x: fix transfer size
-
-If bits_per_word is configured, transfer only word amount
-of data per iteration.
-
-Signed-off-by: Oskari Lemmela <oskari@lemmela.net>
-Link: https://lore.kernel.org/r/20211222055958.1383233-2-oskari@lemmela.net
-Signed-off-by: Mark Brown <broonie@kernel.org>
----
- drivers/spi/spi-ar934x.c | 16 +++++++++++-----
- 1 file changed, 11 insertions(+), 5 deletions(-)
-
---- a/drivers/spi/spi-ar934x.c
-+++ b/drivers/spi/spi-ar934x.c
-@@ -82,7 +82,7 @@ static int ar934x_spi_transfer_one_messa
-       struct spi_device *spi = m->spi;
-       unsigned long trx_done, trx_cur;
-       int stat = 0;
--      u8 term = 0;
-+      u8 bpw, term = 0;
-       int div, i;
-       u32 reg;
-       const u8 *tx_buf;
-@@ -90,6 +90,11 @@ static int ar934x_spi_transfer_one_messa
- 
-       m->actual_length = 0;
-       list_for_each_entry(t, &m->transfers, transfer_list) {
-+              if (t->bits_per_word >= 8 && t->bits_per_word < 32)
-+                      bpw = t->bits_per_word >> 3;
-+              else
-+                      bpw = 4;
-+
-               if (t->speed_hz)
-                       div = ar934x_spi_clk_div(sp, t->speed_hz);
-               else
-@@ -105,10 +110,10 @@ static int ar934x_spi_transfer_one_messa
-               iowrite32(reg, sp->base + AR934X_SPI_REG_CTRL);
-               iowrite32(0, sp->base + AR934X_SPI_DATAOUT);
- 
--              for (trx_done = 0; trx_done < t->len; trx_done += 4) {
-+              for (trx_done = 0; trx_done < t->len; trx_done += bpw) {
-                       trx_cur = t->len - trx_done;
--                      if (trx_cur > 4)
--                              trx_cur = 4;
-+                      if (trx_cur > bpw)
-+                              trx_cur = bpw;
-                       else if (list_is_last(&t->transfer_list, &m->transfers))
-                               term = 1;
- 
-@@ -193,7 +198,8 @@ static int ar934x_spi_probe(struct platf
-       ctlr->mode_bits = SPI_LSB_FIRST;
-       ctlr->setup = ar934x_spi_setup;
-       ctlr->transfer_one_message = ar934x_spi_transfer_one_message;
--      ctlr->bits_per_word_mask = SPI_BPW_MASK(8);
-+      ctlr->bits_per_word_mask = SPI_BPW_MASK(32) | SPI_BPW_MASK(24) |
-+                                 SPI_BPW_MASK(16) | SPI_BPW_MASK(8);
-       ctlr->dev.of_node = pdev->dev.of_node;
-       ctlr->num_chipselect = 3;
-