From 2f7c68cb55ecb7331f2381deb497c27155f32faf Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Wed, 03 Jan 2024 09:43:39 +0000
Subject: [PATCH] update kernel to 5.10.198
---
kernel/drivers/tty/serial/samsung_tty.c | 14 +++++++++++++-
1 files changed, 13 insertions(+), 1 deletions(-)
diff --git a/kernel/drivers/tty/serial/samsung_tty.c b/kernel/drivers/tty/serial/samsung_tty.c
index 263c332..fa5b132 100644
--- a/kernel/drivers/tty/serial/samsung_tty.c
+++ b/kernel/drivers/tty/serial/samsung_tty.c
@@ -1313,8 +1313,12 @@
continue;
rate = clk_get_rate(clk);
- if (!rate)
+ if (!rate) {
+ dev_err(ourport->port.dev,
+ "Failed to get clock rate for %s.\n", clkname);
+ clk_put(clk);
continue;
+ }
if (ourport->info->has_divslot) {
unsigned long div = rate / req_baud;
@@ -1340,10 +1344,18 @@
calc_deviation = -calc_deviation;
if (calc_deviation < deviation) {
+ /*
+ * If we find a better clk, release the previous one, if
+ * any.
+ */
+ if (!IS_ERR(*best_clk))
+ clk_put(*best_clk);
*best_clk = clk;
best_quot = quot;
*clk_num = cnt;
deviation = calc_deviation;
+ } else {
+ clk_put(clk);
}
}
--
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