linux-kernel - Re: [Patch 06/10] mfd: PCAP driver for the Motorola EZX GSM mobile phones

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Date:	Tue, 08 Jul 2008 11:01:51 -0300
From:	Daniel Ribeiro <drwyrm@...il.com>
To:	Eric Miao <eric.y.miao@...il.com>
CC:	Stefan Schmidt <stefan@...enfreihafen.org>,
	pHilipp Zabel <philipp.zabel@...il.com>,
	linux-arm-kernel@...ts.arm.linux.org.uk, sameo@...nedhand.com,
	linux-kernel@...r.kernel.org
Subject: Re: [Patch 06/10] mfd: PCAP driver for the Motorola EZX GSM mobile
 phones

Eric Miao escreveu:
> The irq2pcap[] array looks horrible to me. It's actually a sparse array.
> Isn't there a nice 1:1 mapping using a formular??
> 
> Besides, the IRQ numbering scheme has now changed to a more generic way,
> I suggest to pull from Russell's latest git tree and rebase the IRQ
> part.

	Will do as you suggested and get rid of the arrays.

> The following block of code:
> 
> +	if (pcap_data->cs >= 0) {
> +		if (machine_is_ezx_a780() || machine_is_ezx_e680())
> +			gpio_direction_output(pcap_data->cs, 1);
> +		else
> +			gpio_direction_output(pcap_data->cs, 0);
> +	}
> 
> has 3 occurrences in the driver (2 in ezx_ssp_pcap_putget, 1 in ezx_pcap_probe)
> which is good reason to fold this into the platform data.
> 
> Well, if the above is done in platform data, I guess you won't mind another bit
> flag (e.g. PCAP_REDIRECT_IRQ or something alike) added in platform data, either

	Moved to platform data. What should PCAP_REDIRECT_IRQ flag do?

-- 
Daniel Ribeiro
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