linux-kernel - [PATCH 1/9] ARM: OMAP2+: Check for inited flag

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Date:   Tue, 10 Nov 2020 13:20:34 +0200
From:   Tony Lindgren <tony@...mide.com>
To:     linux-omap@...r.kernel.org
Cc:     Dave Gerlach <d-gerlach@...com>, Faiz Abbas <faiz_abbas@...com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Grygorii Strashko <grygorii.strashko@...com>,
        Keerthy <j-keerthy@...com>, Nishanth Menon <nm@...com>,
        Peter Ujfalusi <peter.ujfalusi@...com>,
        Roger Quadros <rogerq@...com>, Suman Anna <s-anna@...com>,
        Tero Kristo <t-kristo@...com>, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Michael Turquette <mturquette@...libre.com>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        Santosh Shilimkar <ssantosh@...nel.org>,
        Stephen Boyd <sboyd@...nel.org>, linux-clk@...r.kernel.org,
        linux-remoteproc@...r.kernel.org
Subject: [PATCH 1/9] ARM: OMAP2+: Check for inited flag

If we have no hwmods configured and omap_hwmod_init() is not called,
we don't want to call omap_hwmod_setup_all() as it will fail with
checks for configured MPU at least.

Signed-off-by: Tony Lindgren <tony@...mide.com>
---
 arch/arm/mach-omap2/omap_hwmod.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/arch/arm/mach-omap2/omap_hwmod.c b/arch/arm/mach-omap2/omap_hwmod.c
--- a/arch/arm/mach-omap2/omap_hwmod.c
+++ b/arch/arm/mach-omap2/omap_hwmod.c
@@ -627,6 +627,9 @@ static struct clockdomain *_get_clkdm(struct omap_hwmod *oh)
 {
 	struct clk_hw_omap *clk;
 
+	if (!oh)
+		return NULL;
+
 	if (oh->clkdm) {
 		return oh->clkdm;
 	} else if (oh->_clk) {
@@ -3677,6 +3680,9 @@ static void __init omap_hwmod_setup_earlycon_flags(void)
  */
 static int __init omap_hwmod_setup_all(void)
 {
+	if (!inited)
+		return 0;
+
 	_ensure_mpu_hwmod_is_setup(NULL);
 
 	omap_hwmod_for_each(_init, NULL);
-- 
2.29.2