kernel: remove support for kernel 4.19

We use 5.4 on all targets by default, and 4.19 has never been released
in a stable version. There is no reason to keep it.

Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>

1 files changed, 0 insertions, 59 deletions

diff --git a/target/linux/ath79/patches-4.19/0026-MIPS-ath79-export-switch-MDIO-reference-clock.patch b/target/linux/ath79/patches-4.19/0026-MIPS-ath79-export-switch-MDIO-reference-clock.patch
deleted file mode 100644
index 27adb56f56..0000000000
--- a/target/linux/ath79/patches-4.19/0026-MIPS-ath79-export-switch-MDIO-reference-clock.patch
+++ /dev/null
@@ -1,59 +0,0 @@
-From 78538d673801902108797f2c813e70cfbce280c9 Mon Sep 17 00:00:00 2001
-From: Felix Fietkau <nbd@nbd.name>
-Date: Tue, 6 Mar 2018 13:27:28 +0100
-Subject: [PATCH 26/33] MIPS: ath79: export switch MDIO reference clock
-
-On AR934x, the MDIO reference clock can be configured to a fixed 100 MHz
-clock. If that feature is not used, it defaults to the main reference
-clock, like on all other SoC.
-
-Signed-off-by: Felix Fietkau <nbd@nbd.name>
-Signed-off-by: John Crispin <john@phrozen.org>
----
- arch/mips/ath79/clock.c               | 8 ++++++++
- include/dt-bindings/clock/ath79-clk.h | 3 ++-
- 2 files changed, 10 insertions(+), 1 deletion(-)
-
---- a/arch/mips/ath79/clock.c
-+++ b/arch/mips/ath79/clock.c
-@@ -42,6 +42,7 @@ static const char * const clk_names[ATH7
- 	[ATH79_CLK_DDR] = "ddr",
- 	[ATH79_CLK_AHB] = "ahb",
- 	[ATH79_CLK_REF] = "ref",
-+	[ATH79_CLK_MDIO] = "mdio",
- };
- 
- static const char * __init ath79_clk_name(int type)
-@@ -342,6 +343,10 @@ static void __init ar934x_clocks_init(vo
- 	ath79_set_clk(ATH79_CLK_DDR, ddr_rate);
- 	ath79_set_clk(ATH79_CLK_AHB, ahb_rate);
- 
-+	clk_ctrl = __raw_readl(pll_base + AR934X_PLL_SWITCH_CLOCK_CONTROL_REG);
-+	if (clk_ctrl & AR934X_PLL_SWITCH_CLOCK_CONTROL_MDIO_CLK_SEL)
-+		ath79_set_clk(ATH79_CLK_MDIO, 100 * 1000 * 1000);
-+
- 	iounmap(dpll_base);
- }
- 
-@@ -698,6 +703,9 @@ static void __init ath79_clocks_init_dt(
- 	else if (of_device_is_compatible(np, "qca,qca9560-pll"))
- 		qca956x_clocks_init(pll_base);
- 
-+	if (!clks[ATH79_CLK_MDIO])
-+		clks[ATH79_CLK_MDIO] = clks[ATH79_CLK_REF];
-+
- 	if (of_clk_add_provider(np, of_clk_src_onecell_get, &clk_data)) {
- 		pr_err("%pOF: could not register clk provider\n", np);
- 		goto err_iounmap;
---- a/include/dt-bindings/clock/ath79-clk.h
-+++ b/include/dt-bindings/clock/ath79-clk.h
-@@ -14,7 +14,8 @@
- #define ATH79_CLK_DDR		1
- #define ATH79_CLK_AHB		2
- #define ATH79_CLK_REF		3
-+#define ATH79_CLK_MDIO		4
- 
--#define ATH79_CLK_END		4
-+#define ATH79_CLK_END		5
- 
- #endif /* __DT_BINDINGS_ATH79_CLK_H */