From: Ping-Ke Shih <pkshih@realtek.com>
To: Arsenii Pashchenko <ulijg308@gmail.com>
Cc: "linux-wireless@vger.kernel.org" <linux-wireless@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: RE: [PATCH 2/4] wifi: rtw88: rtw8822c: use sign_extend32 for DAC IQ validation
Date: Fri, 14 Aug 2026 08:03:55 +0000 [thread overview]
Message-ID: <c469acfcbf29407ebf04ad921339aeea@realtek.com> (raw)
In-Reply-To: <9be26fe7c6814b17baf2bb08fbfff6eb@realtek.com>
> > temp = rtw_read32_mask(rtwdev, 0x2dbc, 0x3fffff);
> > - iv[DACK_SN_8822C - 1] = (s32)((temp & 0x3ff000) >> 12);
> > - qv[DACK_SN_8822C - 1] = (s32)(temp & 0x3ff);
> > + iv[DACK_SN_8822C - 1] = sign_extend32((temp & 0x3ff000) >> 12, 9);
> > + qv[DACK_SN_8822C - 1] = sign_extend32(temp & 0x3ff, 9);
>
> FIELD_GET_SIGNED()
>
> Please use real hardware to verify the values.
>
Consider the change of sign_extend32() again. The value is not the same
as before. So, if people run this intermediate patch, the result will be
wrong. Please think how to rearrange your changes.
next prev parent reply other threads:[~2026-08-14 8:04 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-08-12 14:45 [PATCH 0/4] wifi: rtw88: rtw8822c: refactor DAC IQ calibration to s32 Arsenii Pashchenko
2026-08-12 14:45 ` [PATCH 1/4] wifi: rtw88: rtw8822c: convert DAC IQ buffers and signatures " Arsenii Pashchenko
2026-08-14 7:42 ` Ping-Ke Shih
2026-08-12 14:45 ` [PATCH 2/4] wifi: rtw88: rtw8822c: use sign_extend32 for DAC IQ validation Arsenii Pashchenko
2026-08-14 7:49 ` Ping-Ke Shih
2026-08-14 8:03 ` Ping-Ke Shih [this message]
2026-08-12 14:45 ` [PATCH 3/4] wifi: rtw88: rtw8822c: switch to the kernel's sort() library Arsenii Pashchenko
2026-08-14 7:57 ` Ping-Ke Shih
2026-08-12 14:45 ` [PATCH 4/4] wifi: rtw88: rtw8822c: simplify amplitude search and offset via s32 Arsenii Pashchenko
2026-08-14 8:10 ` Ping-Ke Shih
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