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From: Paolo Abeni <pabeni@redhat.com>
To: Meghana Malladi <m-malladi@ti.com>,
	javier.carrasco.cruz@gmail.com, diogo.ivo@siemens.com,
	horms@kernel.org, kuba@kernel.org, edumazet@google.com,
	davem@davemloft.net, andrew+netdev@lunn.ch
Cc: linux-kernel@vger.kernel.org, netdev@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org, srk@ti.com,
	Vignesh Raghavendra <vigneshr@ti.com>,
	Roger Quadros <rogerq@kernel.org>,
	danishanwar@ti.com
Subject: Re: [PATCH net 1/2] net: ti: icss-iep: Fix pwidth configuration for perout signal
Date: Thu, 13 Feb 2025 12:23:48 +0100	[thread overview]
Message-ID: <3a979b56-e9d6-41c9-910b-63b5371b9631@redhat.com> (raw)
In-Reply-To: <20250211103527.923849-2-m-malladi@ti.com>

On 2/11/25 11:35 AM, Meghana Malladi wrote:
> @@ -419,8 +426,9 @@ static int icss_iep_perout_enable_hw(struct icss_iep *iep,
>  			regmap_write(iep->map, ICSS_IEP_CMP1_REG0, lower_32_bits(cmp));
>  			if (iep->plat_data->flags & ICSS_IEP_64BIT_COUNTER_SUPPORT)
>  				regmap_write(iep->map, ICSS_IEP_CMP1_REG1, upper_32_bits(cmp));
> -			/* Configure SYNC, 1ms pulse width */
> -			regmap_write(iep->map, ICSS_IEP_SYNC_PWIDTH_REG, 1000000);
> +			/* Configure SYNC, based on req on width */
> +			regmap_write(iep->map, ICSS_IEP_SYNC_PWIDTH_REG,
> +				     (u32)(ns_width / iep->def_inc));

This causes build errors on 32bits:

ERROR: modpost: "__udivdi3" [drivers/net/ethernet/ti/icssg/icss_iep.ko]
undefined!
make[3]: *** [../scripts/Makefile.modpost:147: Module.symvers] Error 1
make[2]: *** [/home/nipa/net/wt-0/Makefile:1944: modpost] Error 2
make[1]: *** [/home/nipa/net/wt-0/Makefile:251: __sub-make] Error 2
make: *** [Makefile:251: __sub-make] Error 2
ERROR: modpost: "__udivdi3" [drivers/net/ethernet/ti/icssg/icss_iep.ko]

You should use div_u64()

/P


  reply	other threads:[~2025-02-13 11:23 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-02-11 10:35 [PATCH net 0/2] Fixes for perout configuration in IEP driver Meghana Malladi
2025-02-11 10:35 ` [PATCH net 1/2] net: ti: icss-iep: Fix pwidth configuration for perout signal Meghana Malladi
2025-02-13 11:23   ` Paolo Abeni [this message]
2025-02-14  6:05     ` [EXTERNAL] " Malladi, Meghana
2025-02-16 16:11       ` Simon Horman
2025-02-19  6:28         ` Malladi, Meghana
2025-02-11 10:35 ` [PATCH net 2/2] net: ti: icss-iep: Fix phase offset " Meghana Malladi

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