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From: Michal Kazior <michal.kazior@tieto.com>
To: Kalle Valo <kvalo@qca.qualcomm.com>
Cc: "ath10k@lists.infradead.org" <ath10k@lists.infradead.org>,
	linux-wireless <linux-wireless@vger.kernel.org>
Subject: Re: [PATCH v3 2/7] ath10k: add ATH10K_FW_IE_WMI_OP_VERSION
Date: Tue, 2 Dec 2014 12:51:58 +0100	[thread overview]
Message-ID: <CA+BoTQm+JqCEXPQ4njxGvm-v_Typ0BDTK5g8627O_-gKiTWHZw@mail.gmail.com> (raw)
In-Reply-To: <20141201144507.18248.9856.stgit@potku.adurom.net>

On 1 December 2014 at 15:45, Kalle Valo <kvalo@qca.qualcomm.com> wrote:
[...]
> @@ -562,6 +562,17 @@ static int ath10k_core_fetch_firmware_api_n(struct ath10k *ar, const char *name)
>                         ar->otp_len = ie_len;
>
>                         break;
> +               case ATH10K_FW_IE_WMI_OP_VERSION:
> +                       if (ie_len != sizeof(u32))
> +                               break;
> +
> +                       version = (__le32 *)data;
> +
> +                       ar->wmi.op_version = le32_to_cpup(version);
> +
> +                       ath10k_dbg(ar, ATH10K_DBG_BOOT, "found fw ie wmi op version %d\n",
> +                                  ar->wmi.op_version);

Hmm.. wouldn't it make sense to have a ATH10K_FW_WMI_OP_VERSION_MAX
(or _LAST) and verify if the IE value doesn't exceed the last known
value? This way switch()es won't need default handler by design and
thus we'll get the benefit of compiler telling us about unhandled
cases when we add new enums.


Michał

WARNING: multiple messages have this Message-ID (diff)
From: Michal Kazior <michal.kazior@tieto.com>
To: Kalle Valo <kvalo@qca.qualcomm.com>
Cc: linux-wireless <linux-wireless@vger.kernel.org>,
	"ath10k@lists.infradead.org" <ath10k@lists.infradead.org>
Subject: Re: [PATCH v3 2/7] ath10k: add ATH10K_FW_IE_WMI_OP_VERSION
Date: Tue, 2 Dec 2014 12:51:58 +0100	[thread overview]
Message-ID: <CA+BoTQm+JqCEXPQ4njxGvm-v_Typ0BDTK5g8627O_-gKiTWHZw@mail.gmail.com> (raw)
In-Reply-To: <20141201144507.18248.9856.stgit@potku.adurom.net>

On 1 December 2014 at 15:45, Kalle Valo <kvalo@qca.qualcomm.com> wrote:
[...]
> @@ -562,6 +562,17 @@ static int ath10k_core_fetch_firmware_api_n(struct ath10k *ar, const char *name)
>                         ar->otp_len = ie_len;
>
>                         break;
> +               case ATH10K_FW_IE_WMI_OP_VERSION:
> +                       if (ie_len != sizeof(u32))
> +                               break;
> +
> +                       version = (__le32 *)data;
> +
> +                       ar->wmi.op_version = le32_to_cpup(version);
> +
> +                       ath10k_dbg(ar, ATH10K_DBG_BOOT, "found fw ie wmi op version %d\n",
> +                                  ar->wmi.op_version);

Hmm.. wouldn't it make sense to have a ATH10K_FW_WMI_OP_VERSION_MAX
(or _LAST) and verify if the IE value doesn't exceed the last known
value? This way switch()es won't need default handler by design and
thus we'll get the benefit of compiler telling us about unhandled
cases when we add new enums.


Michał

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ath10k@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/ath10k

  parent reply	other threads:[~2014-12-02 11:51 UTC|newest]

Thread overview: 34+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-12-01 14:44 [PATCH v3 0/7] ath10k: add support for new wmi-tlv backend Kalle Valo
2014-12-01 14:44 ` Kalle Valo
2014-12-01 14:44 ` [PATCH v3 1/7] ath10k: create ath10k_core_init_features() Kalle Valo
2014-12-01 14:44   ` Kalle Valo
2014-12-02  6:58   ` Michal Kazior
2014-12-02  6:58     ` Michal Kazior
2014-12-02  7:09     ` Kalle Valo
2014-12-02  7:09       ` Kalle Valo
2014-12-01 14:45 ` [PATCH v3 2/7] ath10k: add ATH10K_FW_IE_WMI_OP_VERSION Kalle Valo
2014-12-01 14:45   ` Kalle Valo
2014-12-02  8:28   ` Michal Kazior
2014-12-02  8:28     ` Michal Kazior
2014-12-02  8:48     ` Kalle Valo
2014-12-02  8:48       ` Kalle Valo
2014-12-02 11:51   ` Michal Kazior [this message]
2014-12-02 11:51     ` Michal Kazior
2014-12-03  6:32     ` Kalle Valo
2014-12-03  6:32       ` Kalle Valo
2014-12-02 12:16   ` Michal Kazior
2014-12-02 12:16     ` Michal Kazior
2014-12-03  6:30     ` Kalle Valo
2014-12-03  6:30       ` Kalle Valo
2014-12-01 14:45 ` [PATCH v3 3/7] ath10k: set max_num_pending_tx in ath10k_core_init_firmware_features() Kalle Valo
2014-12-01 14:45   ` Kalle Valo
2014-12-01 14:45 ` [PATCH v3 4/7] ath10k: implement intermediate event args Kalle Valo
2014-12-01 14:45   ` Kalle Valo
2014-12-01 14:46 ` [PATCH v3 5/7] ath10k: introduce wmi ops Kalle Valo
2014-12-01 14:46   ` Kalle Valo
2014-12-01 14:46 ` [PATCH v3 6/7] ath10k: make some wmi functions public Kalle Valo
2014-12-01 14:46   ` Kalle Valo
2014-12-01 14:46 ` [PATCH v3 7/7] ath10k: implement wmi-tlv backend Kalle Valo
2014-12-01 14:46   ` Kalle Valo
2014-12-02  6:38   ` Michal Kazior
2014-12-02  6:38     ` Michal Kazior

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